20431023658070 has 32 divisors (see below), whose sum is σ = 36893576908800. Its totient is φ = 8146271414880.

The previous prime is 20431023658057. The next prime is 20431023658091. The reversal of 20431023658070 is 7085632013402.

It is a super-2 number, since 2×20431023658070² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4937285 + ... + 8077055.

It is an arithmetic number, because the mean of its divisors is an integer number (1152924278400).

Almost surely, 2^{20431023658070} is an apocalyptic number.

20431023658070 is a deficient number, since it is larger than the sum of its proper divisors (16462553250730).

20431023658070 is a wasteful number, since it uses less digits than its factorization.

20431023658070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141860.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20431023658070 in words is "twenty trillion, four hundred thirty-one billion, twenty-three million, six hundred fifty-eight thousand, seventy".