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232031020020 = 22353867183667
BaseRepresentation
bin1101100000011000100…
…0000110001111110100
3211011220122022002120020
43120012020012033310
512300144420120040
6254332114005140
722522642062012
oct3300610061764
9734818262506
10232031020020
118a449509678
1238b768767b0
1318b5a3cc967
14b33217b8b2
15608053bcd0
hex36062063f4

232031020020 has 24 divisors (see below), whose sum is σ = 649686856224. Its totient is φ = 61874938656.

The previous prime is 232031020009. The next prime is 232031020021. The reversal of 232031020020 is 20020130232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933591774 + ... + 1933591893.

It is an arithmetic number, because the mean of its divisors is an integer number (27070285676).

Almost surely, 2232031020020 is an apocalyptic number.

232031020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232031020020 is an abundant number, since it is smaller than the sum of its proper divisors (417655836204).

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

232031020020 is a wasteful number, since it uses less digits than its factorization.

232031020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867183679 (or 3867183677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 232031020020 its reverse (20020130232), we get a palindrome (252051150252).

The spelling of 232031020020 in words is "two hundred thirty-two billion, thirty-one million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3867183667 7734367334 11601551001 15468734668 19335918335 23203102002 38671836670 46406204004 58007755005 77343673340 116015510010 232031020020