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20023032352 = 2519236123473
BaseRepresentation
bin10010101001011101…
…110011101000100000
31220200102212102200211
4102221131303220200
5312001344013402
613110511023504
71306121652421
oct225135635040
956612772624
1020023032352
118545530624
123a6980ab94
131b713b034b
14d7d39d648
157c2cba4d7
hex4a9773a20

20023032352 has 96 divisors (see below), whose sum is σ = 44010933120. Its totient is φ = 8923115520.

The previous prime is 20023032331. The next prime is 20023032353. The reversal of 20023032352 is 25323032002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20023032353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841288 + ... + 864760.

It is an arithmetic number, because the mean of its divisors is an integer number (458447220).

Almost surely, 220023032352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023032352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22005466560).

20023032352 is an abundant number, since it is smaller than the sum of its proper divisors (23987900768).

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

20023032352 is a wasteful number, since it uses less digits than its factorization.

20023032352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23586 (or 23578 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20023032352 its reverse (25323032002), we get a palindrome (45346064354).

The spelling of 20023032352 in words is "twenty billion, twenty-three million, thirty-two thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 19 23 32 38 46 61 76 92 122 152 184 244 304 368 437 488 608 736 874 976 1159 1403 1748 1952 2318 2806 3496 4636 5612 6992 9272 11224 13984 18544 22448 23473 26657 37088 44896 46946 53314 93892 106628 187784 213256 375568 426512 445987 539879 751136 853024 891974 1079758 1431853 1783948 2159516 2863706 3567896 4319032 5727412 7135792 8638064 10257701 11454824 14271584 17276128 20515402 22909648 27205207 32932619 41030804 45819296 54410414 65865238 82061608 108820828 131730476 164123216 217641656 263460952 328246432 435283312 526921904 625719761 870566624 1053843808 1251439522 2502879044 5005758088 10011516176 20023032352