20020321010131 has 32 divisors (see below), whose sum is σ = 21904734458880. Its totient is φ = 18187730505984.

The previous prime is 20020321010119. The next prime is 20020321010167. The reversal of 20020321010131 is 13101012302002.

It is not a de Polignac number, because 20020321010131 - 2²⁵ = 20020287455699 is a prime.

It is a super-2 number, since 2×20020321010131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020321910131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143507910 + ... + 143647348.

It is an arithmetic number, because the mean of its divisors is an integer number (684522951840).

Almost surely, 2^{20020321010131} is an apocalyptic number.

20020321010131 is a deficient number, since it is larger than the sum of its proper divisors (1884413448749).

20020321010131 is a wasteful number, since it uses less digits than its factorization.

20020321010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140235.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20020321010131 its reverse (13101012302002), we get a palindrome (33121333312133).

The spelling of 20020321010131 in words is "twenty trillion, twenty billion, three hundred twenty-one million, ten thousand, one hundred thirty-one".