20023270356319 has 2 divisors, whose sum is σ = 20023270356320. Its totient is φ = 20023270356318.

The previous prime is 20023270356277. The next prime is 20023270356379. The reversal of 20023270356319 is 91365307232002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023270356319 - 2¹¹ = 20023270354271 is a prime.

It is a super-2 number, since 2×20023270356319² (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 (20023270356379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011635178159 + 10011635178160.

It is an arithmetic number, because the mean of its divisors is an integer number (10011635178160).

Almost surely, 2^{20023270356319} is an apocalyptic number.

20023270356319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023270356319 is an equidigital number, since it uses as much as digits as its factorization.

20023270356319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 20023270356319 in words is "twenty trillion, twenty-three billion, two hundred seventy million, three hundred fifty-six thousand, three hundred nineteen".