20464572602233 has 4 divisors (see below), whose sum is σ = 20464607267968. Its totient is φ = 20464537936500.

The previous prime is 20464572602231. The next prime is 20464572602237. The reversal of 20464572602233 is 33220627546402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20464572602233 - 2¹ = 20464572602231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20464572602231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16431741 + ... + 17633242.

It is an arithmetic number, because the mean of its divisors is an integer number (5116151816992).

Almost surely, 2^{20464572602233} is an apocalyptic number.

It is an amenable number.

20464572602233 is a deficient number, since it is larger than the sum of its proper divisors (34665735).

20464572602233 is an equidigital number, since it uses as much as digits as its factorization.

20464572602233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34665734.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 20464572602233 in words is "twenty trillion, four hundred sixty-four billion, five hundred seventy-two million, six hundred two thousand, two hundred thirty-three".