20202132312131 has 64 divisors (see below), whose sum is σ = 26758361456640. Its totient is φ = 14766169397760.

The previous prime is 20202132312127. The next prime is 20202132312137. The reversal of 20202132312131 is 13121323120202.

It is not a de Polignac number, because 20202132312131 - 2² = 20202132312127 is a prime.

It is a super-2 number, since 2×20202132312131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202132312097 and 20202132312106.

It is not an unprimeable number, because it can be changed into a prime (20202132312137) 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 63 ways as a sum of consecutive naturals, for example, 544175936 + ... + 544213058.

It is an arithmetic number, because the mean of its divisors is an integer number (418099397760).

Almost surely, 2^{20202132312131} is an apocalyptic number.

20202132312131 is a deficient number, since it is larger than the sum of its proper divisors (6556229144509).

20202132312131 is a wasteful number, since it uses less digits than its factorization.

20202132312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38544.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20202132312131 its reverse (13121323120202), we get a palindrome (33323455432333).

The spelling of 20202132312131 in words is "twenty trillion, two hundred two billion, one hundred thirty-two million, three hundred twelve thousand, one hundred thirty-one".