42231031000020 has 96 divisors (see below), whose sum is σ = 131430786883200. Its totient is φ = 11257720515072.

The previous prime is 42231031000013. The next prime is 42231031000069. The reversal of 42231031000020 is 2000013013224.

42231031000020 is a `hidden beast` number, since 4 + 22 + 310 + 310 + 0 + 0 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42231030999957 and 42231031000002.

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, 11933310 + ... + 15062069.

It is an arithmetic number, because the mean of its divisors is an integer number (1369070696700).

Almost surely, 2^{42231031000020} is an apocalyptic number.

It is an amenable number.

42231031000020 is an abundant number, since it is smaller than the sum of its proper divisors (89199755883180).

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

42231031000020 is a wasteful number, since it uses less digits than its factorization.

42231031000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998294 (or 26998286 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 42231031000020 its reverse (2000013013224), we get a palindrome (44231044013244).

The spelling of 42231031000020 in words is "forty-two trillion, two hundred thirty-one billion, thirty-one million, twenty", and thus it is an aban number.