20490327332822 has 16 divisors (see below), whose sum is σ = 31254469585200. Its totient is φ = 10073456997120.

The previous prime is 20490327332821. The next prime is 20490327332831. The reversal of 20490327332822 is 22823372309402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20490327332821) 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, 321516179 + ... + 321579902.

It is an arithmetic number, because the mean of its divisors is an integer number (1953404349075).

Almost surely, 2^{20490327332822} is an apocalyptic number.

20490327332822 is a deficient number, since it is larger than the sum of its proper divisors (10764142252378).

20490327332822 is a wasteful number, since it uses less digits than its factorization.

20490327332822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643096351.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 20490327332822 in words is "twenty trillion, four hundred ninety billion, three hundred twenty-seven million, three hundred thirty-two thousand, eight hundred twenty-two".