20495882990834 has 16 divisors (see below), whose sum is σ = 31155082963200. Its totient is φ = 10111039471104.

The previous prime is 20495882990833. The next prime is 20495882990887. The reversal of 20495882990834 is 43809928859402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20495882990833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45810302 + ... + 46255545.

It is an arithmetic number, because the mean of its divisors is an integer number (1947192685200).

Almost surely, 2^{20495882990834} is an apocalyptic number.

20495882990834 is a deficient number, since it is larger than the sum of its proper divisors (10659199972366).

20495882990834 is a wasteful number, since it uses less digits than its factorization.

20495882990834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92067337.

The product of its (nonzero) digits is 358318080, while the sum is 71.

The spelling of 20495882990834 in words is "twenty trillion, four hundred ninety-five billion, eight hundred eighty-two million, nine hundred ninety thousand, eight hundred thirty-four".