20313133420051 has 2 divisors, whose sum is σ = 20313133420052. Its totient is φ = 20313133420050.

The previous prime is 20313133420033. The next prime is 20313133420061. The reversal of 20313133420051 is 15002433131302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20313133420051 - 2³⁷ = 20175694466579 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313133420061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156566710025 + 10156566710026.

It is an arithmetic number, because the mean of its divisors is an integer number (10156566710026).

Almost surely, 2^{20313133420051} is an apocalyptic number.

20313133420051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313133420051 is an equidigital number, since it uses as much as digits as its factorization.

20313133420051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 20313133420051 its reverse (15002433131302), we get a palindrome (35315566551353).

The spelling of 20313133420051 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-three million, four hundred twenty thousand, fifty-one".