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20033211303320 = 2351921489931727
BaseRepresentation
bin1001000111000010110000…
…11100011000010110011000
32121221011012221101112000212
410203201120130120112120
510111211004043201240
6110335044043350252
74135231436316035
oct443413034302630
977834187345025
1020033211303320
116424045574856
1222b66a1b22388
13b2417ba744c7
144d3880d9438c
1524b19a892165
hex123858718598

20033211303320 has 96 divisors (see below), whose sum is σ = 47603940148800. Its totient is φ = 7586426151936.

The previous prime is 20033211303311. The next prime is 20033211303331. The reversal of 20033211303320 is 2330311233002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21035297 + ... + 21967023.

It is an arithmetic number, because the mean of its divisors is an integer number (495874376550).

Almost surely, 220033211303320 is an apocalyptic number.

20033211303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033211303320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23801970074400).

20033211303320 is an abundant number, since it is smaller than the sum of its proper divisors (27570728845480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20033211303320 is a wasteful number, since it uses less digits than its factorization.

20033211303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933265 (or 933242 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20033211303320 its reverse (2330311233002), we get a palindrome (22363522536322).

The spelling of 20033211303320 in words is "twenty trillion, thirty-three billion, two hundred eleven million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 361 380 722 760 1444 1489 1805 2888 2978 3610 5956 7220 7445 11912 14440 14890 28291 29780 56582 59560 113164 141455 226328 282910 537529 565820 931727 1075058 1131640 1863454 2150116 2687645 3726908 4300232 4658635 5375290 7453816 9317270 10750580 17702813 18634540 21501160 35405626 37269080 70811252 88514065 141622504 177028130 336353447 354056260 672706894 708112520 1345413788 1387341503 1681767235 2690827576 2774683006 3363534470 5549366012 6727068940 6936707515 11098732024 13454137880 13873415030 26359488557 27746830060 52718977114 55493660120 105437954228 131797442785 210875908456 263594885570 500830282583 527189771140 1001660565166 1054379542280 2003321130332 2504151412915 4006642260664 5008302825830 10016605651660 20033211303320