202020022031 has 2 divisors, whose sum is σ = 202020022032. Its totient is φ = 202020022030.

The previous prime is 202020021923. The next prime is 202020022069. The reversal of 202020022031 is 130220020202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020022031 is a prime.

It is a super-2 number, since 2×202020022031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202020021997 and 202020022015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020022531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010011015 + 101010011016.

It is an arithmetic number, because the mean of its divisors is an integer number (101010011016).

Almost surely, 2^202020022031 is an apocalyptic number.

202020022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020022031 is an equidigital number, since it uses as much as digits as its factorization.

202020022031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 202020022031 its reverse (130220020202), we get a palindrome (332240042233).

The spelling of 202020022031 in words is "two hundred two billion, twenty million, twenty-two thousand, thirty-one".