20312030022011 has 24 divisors (see below), whose sum is σ = 25465369505184. Its totient is φ = 16058722176000.

The previous prime is 20312030021989. The next prime is 20312030022041. The reversal of 20312030022011 is 11022003021302.

It is not a de Polignac number, because 20312030022011 - 2²² = 20312025827707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20312030022041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11405990 + ... + 13066011.

It is an arithmetic number, because the mean of its divisors is an integer number (1061057062716).

Almost surely, 2^{20312030022011} is an apocalyptic number.

20312030022011 is a deficient number, since it is larger than the sum of its proper divisors (5153339483173).

20312030022011 is a wasteful number, since it uses less digits than its factorization.

20312030022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473331 (or 24473324 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20312030022011 its reverse (11022003021302), we get a palindrome (31334033043313).

The spelling of 20312030022011 in words is "twenty trillion, three hundred twelve billion, thirty million, twenty-two thousand, eleven".