21076335822 has 32 divisors (see below), whose sum is σ = 42856542720. Its totient is φ = 6908202720.

The previous prime is 21076335799. The next prime is 21076335851. The reversal of 21076335822 is 22853367012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647583 + ... + 1660325.

It is an arithmetic number, because the mean of its divisors is an integer number (1339266960).

Almost surely, 2^21076335822 is an apocalyptic number.

21076335822 is an abundant number, since it is smaller than the sum of its proper divisors (21780206898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21076335822 is a wasteful number, since it uses less digits than its factorization.

21076335822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 21076335822 in words is "twenty-one billion, seventy-six million, three hundred thirty-five thousand, eight hundred twenty-two".