20202131444031 has 24 divisors (see below), whose sum is σ = 29258426660736. Its totient is φ = 13432310358480.

The previous prime is 20202131444023. The next prime is 20202131444101. The reversal of 20202131444031 is 13044413120202.

20202131444031 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 213 + 1 + 4 + 440 + 3 + 1 = 666.

It is not a de Polignac number, because 20202131444031 - 2³ = 20202131444023 is a prime.

It is a super-2 number, since 2×20202131444031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202131443986 and 20202131444004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202131444021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8967276 + ... + 10991646.

It is an arithmetic number, because the mean of its divisors is an integer number (1219101110864).

Almost surely, 2^{20202131444031} is an apocalyptic number.

20202131444031 is a deficient number, since it is larger than the sum of its proper divisors (9056295216705).

20202131444031 is a wasteful number, since it uses less digits than its factorization.

20202131444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027323 (or 2027320 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20202131444031 its reverse (13044413120202), we get a palindrome (33246544564233).

The spelling of 20202131444031 in words is "twenty trillion, two hundred two billion, one hundred thirty-one million, four hundred forty-four thousand, thirty-one".