202112020220031 has 48 divisors (see below), whose sum is σ = 293403168796608. Its totient is φ = 134067569126400.

The previous prime is 202112020220027. The next prime is 202112020220041. The reversal of 202112020220031 is 130022020211202.

202112020220031 is a `hidden beast` number, since 2 + 0 + 211 + 20 + 202 + 200 + 31 = 666.

It is not a de Polignac number, because 202112020220031 - 2² = 202112020220027 is a prime.

It is a super-2 number, since 2×202112020220031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202112020219986 and 202112020220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112020220041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4739830471 + ... + 4739873111.

It is an arithmetic number, because the mean of its divisors is an integer number (6112566016596).

Almost surely, 2^{202112020220031} is an apocalyptic number.

202112020220031 is a deficient number, since it is larger than the sum of its proper divisors (91291148576577).

202112020220031 is a wasteful number, since it uses less digits than its factorization.

202112020220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45952 (or 45949 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202112020220031 its reverse (130022020211202), we get a palindrome (332134040431233).

The spelling of 202112020220031 in words is "two hundred two trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, thirty-one".