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20010020232 = 2338977312119
BaseRepresentation
bin10010101000101100…
…001010110110001000
31220122112101100102110
4102220230022312020
5311440031121412
613105324102320
71305603236256
oct225054126610
956575340373
1020010020232
118539153404
123a653949a0
131b6b7a5777
14d7b7735d6
157c1a99d3c
hex4a8b0ad88

20010020232 has 64 divisors (see below), whose sum is σ = 50656752000. Its totient is φ = 6585987584.

The previous prime is 20010020227. The next prime is 20010020243. The reversal of 20010020232 is 23202001002.

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

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, 1645069 + ... + 1657187.

It is an arithmetic number, because the mean of its divisors is an integer number (791511750).

Almost surely, 220010020232 is an apocalyptic number.

It is an amenable number.

20010020232 is an abundant number, since it is smaller than the sum of its proper divisors (30646731768).

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

20010020232 is a wasteful number, since it uses less digits than its factorization.

20010020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990 (or 12986 counting only the distinct ones).

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

Adding to 20010020232 its reverse (23202001002), we get a palindrome (43212021234).

The spelling of 20010020232 in words is "twenty billion, ten million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 712 773 1068 1546 2136 2319 3092 4638 6184 9276 12119 18552 24238 36357 48476 68797 72714 96952 137594 145428 206391 275188 290856 412782 550376 825564 1078591 1651128 2157182 3235773 4314364 6471546 8628728 9367987 12943092 18735974 25886184 28103961 37471948 56207922 74943896 112415844 224831688 833750843 1667501686 2501252529 3335003372 5002505058 6670006744 10005010116 20010020232