20201012010931 has 2 divisors, whose sum is σ = 20201012010932. Its totient is φ = 20201012010930.

The previous prime is 20201012010919. The next prime is 20201012011013. The reversal of 20201012010931 is 13901021010202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201012010931 - 2⁵ = 20201012010899 is a prime.

It is a super-2 number, since 2×20201012010931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20201012010031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100506005465 + 10100506005466.

It is an arithmetic number, because the mean of its divisors is an integer number (10100506005466).

Almost surely, 2^{20201012010931} is an apocalyptic number.

20201012010931 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201012010931 is an equidigital number, since it uses as much as digits as its factorization.

20201012010931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 20201012010931 in words is "twenty trillion, two hundred one billion, twelve million, ten thousand, nine hundred thirty-one".