20431534514192 has 40 divisors (see below), whose sum is σ = 39651123058560. Its totient is φ = 10198993784960.

The previous prime is 20431534514173. The next prime is 20431534514201. The reversal of 20431534514192 is 29141543513402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45944267 + ... + 46386837.

It is an arithmetic number, because the mean of its divisors is an integer number (991278076464).

Almost surely, 2^{20431534514192} is an apocalyptic number.

It is an amenable number.

20431534514192 is a deficient number, since it is larger than the sum of its proper divisors (19219588544368).

20431534514192 is a wasteful number, since it uses less digits than its factorization.

20431534514192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447311 (or 447305 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 20431534514192 in words is "twenty trillion, four hundred thirty-one billion, five hundred thirty-four million, five hundred fourteen thousand, one hundred ninety-two".