202020311133023 has 2 divisors, whose sum is σ = 202020311133024. Its totient is φ = 202020311133022.

The previous prime is 202020311132987. The next prime is 202020311133077. The reversal of 202020311133023 is 320331113020202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202020311133023 - 2⁸ = 202020311132767 is a prime.

It is a super-2 number, since 2×202020311133023² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202020311133023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020311133523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010155566511 + 101010155566512.

It is an arithmetic number, because the mean of its divisors is an integer number (101010155566512).

Almost surely, 2^{202020311133023} is an apocalyptic number.

202020311133023 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020311133023 is an equidigital number, since it uses as much as digits as its factorization.

202020311133023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202020311133023 its reverse (320331113020202), we get a palindrome (522351424153225).

The spelling of 202020311133023 in words is "two hundred two trillion, twenty billion, three hundred eleven million, one hundred thirty-three thousand, twenty-three".