20202101022031 has 2 divisors, whose sum is σ = 20202101022032. Its totient is φ = 20202101022030.

The previous prime is 20202101022007. The next prime is 20202101022167. The reversal of 20202101022031 is 13022010120202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202101022031 - 2⁹ = 20202101021519 is a prime.

It is a super-2 number, since 2×20202101022031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202101021996 and 20202101022014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202101022331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101050511015 + 10101050511016.

It is an arithmetic number, because the mean of its divisors is an integer number (10101050511016).

Almost surely, 2^{20202101022031} is an apocalyptic number.

20202101022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202101022031 is an equidigital number, since it uses as much as digits as its factorization.

20202101022031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20202101022031 its reverse (13022010120202), we get a palindrome (33224111142233).

The spelling of 20202101022031 in words is "twenty trillion, two hundred two billion, one hundred one million, twenty-two thousand, thirty-one".