20020212211031 has 2 divisors, whose sum is σ = 20020212211032. Its totient is φ = 20020212211030.

The previous prime is 20020212211019. The next prime is 20020212211063. The reversal of 20020212211031 is 13011221202002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020212211031 is a prime.

It is a super-2 number, since 2×20020212211031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020212211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010106105515 + 10010106105516.

It is an arithmetic number, because the mean of its divisors is an integer number (10010106105516).

Almost surely, 2^{20020212211031} is an apocalyptic number.

20020212211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020212211031 is an equidigital number, since it uses as much as digits as its factorization.

20020212211031 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 17.

Adding to 20020212211031 its reverse (13011221202002), we get a palindrome (33031433413033).

The spelling of 20020212211031 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred eleven thousand, thirty-one".