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20223001020 = 22352632714729
BaseRepresentation
bin10010110101011000…
…101000000110111100
31221012101010220010210
4102311120220012330
5312404042013040
613142413032420
71314100446435
oct226530500674
957171126123
1020223001020
1186383a1a92
123b04785710
131ba39562c1
14d9bb7448c
157d561a480
hex4b56281bc

20223001020 has 96 divisors (see below), whose sum is σ = 57061509120. Its totient is φ = 5351339520.

The previous prime is 20223000983. The next prime is 20223001037. The reversal of 20223001020 is 2010032202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20223000987 and 20223001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4274016 + ... + 4278744.

It is an arithmetic number, because the mean of its divisors is an integer number (594390720).

Almost surely, 220223001020 is an apocalyptic number.

20223001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223001020 is an abundant number, since it is smaller than the sum of its proper divisors (36838508100).

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

20223001020 is a wasteful number, since it uses less digits than its factorization.

20223001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275 (or 5273 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20223001020 its reverse (2010032202), we get a palindrome (22233033222).

The spelling of 20223001020 in words is "twenty billion, two hundred twenty-three million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 263 271 526 542 789 813 1052 1084 1315 1355 1578 1626 2630 2710 3156 3252 3945 4065 4729 5260 5420 7890 8130 9458 14187 15780 16260 18916 23645 28374 47290 56748 70935 71273 94580 141870 142546 213819 283740 285092 356365 427638 712730 855276 1069095 1243727 1281559 1425460 2138190 2487454 2563118 3731181 3844677 4276380 4974908 5126236 6218635 6407795 7462362 7689354 12437270 12815590 14924724 15378708 18655905 19223385 24874540 25631180 37311810 38446770 74623620 76893540 337050017 674100034 1011150051 1348200068 1685250085 2022300102 3370500170 4044600204 5055750255 6741000340 10111500510 20223001020