20345026026231 has 16 divisors (see below), whose sum is σ = 30157914547200. Its totient is φ = 13555639822104.

The previous prime is 20345026026191. The next prime is 20345026026233. The reversal of 20345026026231 is 13262062054302.

20345026026231 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 5 + 0 + 26 + 0 + 2 + 623 + 1 = 666.

It is not a de Polignac number, because 20345026026231 - 2⁶ = 20345026026167 is a prime.

It is a super-2 number, since 2×20345026026231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345026026233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214142241 + ... + 214237226.

It is an arithmetic number, because the mean of its divisors is an integer number (1884869659200).

Almost surely, 2^{20345026026231} is an apocalyptic number.

20345026026231 is a deficient number, since it is larger than the sum of its proper divisors (9812888520969).

20345026026231 is a wasteful number, since it uses less digits than its factorization.

20345026026231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428381235 (or 428381229 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20345026026231 in words is "twenty trillion, three hundred forty-five billion, twenty-six million, twenty-six thousand, two hundred thirty-one".