20464572602231 has 2 divisors, whose sum is σ = 20464572602232. Its totient is φ = 20464572602230.

The previous prime is 20464572602167. The next prime is 20464572602237. The reversal of 20464572602231 is 13220627546402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20464572602231 - 2⁶ = 20464572602167 is a prime.

It is a super-2 number, since 2×20464572602231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20464572602237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10232286301115 + 10232286301116.

It is an arithmetic number, because the mean of its divisors is an integer number (10232286301116).

Almost surely, 2^{20464572602231} is an apocalyptic number.

20464572602231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20464572602231 is an equidigital number, since it uses as much as digits as its factorization.

20464572602231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 20464572602231 in words is "twenty trillion, four hundred sixty-four billion, five hundred seventy-two million, six hundred two thousand, two hundred thirty-one".