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20030033303020 = 22513181425627567
BaseRepresentation
bin1001000110111100110110…
…00001010001010111101100
32121220212000110102101012001
410203132123001101113230
510111133002011144040
6110333400440022044
74135056616624036
oct443363301212754
977825013371161
1020030033303020
116422764688124
1222b5b55761924
13b23a93539360
144d365cc94c56
1524b06188c59a
hex12379b0515ec

20030033303020 has 48 divisors (see below), whose sum is σ = 45548959817088. Its totient is φ = 7354844340480.

The previous prime is 20030033302991. The next prime is 20030033303039. The reversal of 20030033303020 is 2030333003002.

It is a super-2 number, since 2×200300333030202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212766724 + ... + 212860843.

It is an arithmetic number, because the mean of its divisors is an integer number (948936662856).

Almost surely, 220030033303020 is an apocalyptic number.

20030033303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030033303020 is an abundant number, since it is smaller than the sum of its proper divisors (25518926514068).

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

20030033303020 is a wasteful number, since it uses less digits than its factorization.

20030033303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425627770 (or 425627768 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 19.

Adding to 20030033303020 its reverse (2030333003002), we get a palindrome (22060366306022).

The spelling of 20030033303020 in words is "twenty trillion, thirty billion, thirty-three million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 181 260 362 724 905 1810 2353 3620 4706 9412 11765 23530 47060 425627567 851255134 1702510268 2128137835 4256275670 5533158371 8512551340 11066316742 22132633484 27665791855 55331583710 77038589627 110663167420 154077179254 308154358508 385192948135 770385896270 1001501665151 1540771792540 2003003330302 4006006660604 5007508325755 10015016651510 20030033303020