20013721542022 has 16 divisors (see below), whose sum is σ = 34231614221952. Its totient is φ = 8693743294080.

The previous prime is 20013721541963. The next prime is 20013721542053. The reversal of 20013721542022 is 22024512731002.

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 7 ways as a sum of consecutive naturals, for example, 22639956054 + ... + 22639956937.

It is an arithmetic number, because the mean of its divisors is an integer number (2139475888872).

Almost surely, 2^{20013721542022} is an apocalyptic number.

20013721542022 is a deficient number, since it is larger than the sum of its proper divisors (14217892679930).

20013721542022 is a wasteful number, since it uses less digits than its factorization.

20013721542022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45279913023.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20013721542022 in words is "twenty trillion, thirteen billion, seven hundred twenty-one million, five hundred forty-two thousand, twenty-two".