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20330233132 = 22113114904863
BaseRepresentation
bin10010111011110001…
…101011110100101100
31221110211220211221111
4102323301223310230
5313114014430012
613201203241404
71316542062466
oct227361536454
957424824844
1020330233132
118692983070
123b34679264
131bbcc2c861
14dac0c9136
157dec4cba7
hex4bbc6bd2c

20330233132 has 24 divisors (see below), whose sum is σ = 40064274432. Its totient is φ = 8942917200.

The previous prime is 20330233129. The next prime is 20330233237. The reversal of 20330233132 is 23133203302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7451068 + ... + 7453795.

It is an arithmetic number, because the mean of its divisors is an integer number (1669344768).

Almost surely, 220330233132 is an apocalyptic number.

20330233132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20330233132 is a deficient number, since it is larger than the sum of its proper divisors (19734041300).

20330233132 is a wasteful number, since it uses less digits than its factorization.

20330233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904909 (or 14904907 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20330233132 its reverse (23133203302), we get a palindrome (43463436434).

The spelling of 20330233132 in words is "twenty billion, three hundred thirty million, two hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 14904863 29809726 59619452 163953493 327906986 462050753 655813972 924101506 1848203012 5082558283 10165116566 20330233132