20444424644622 has 64 divisors (see below), whose sum is σ = 45410282684928. Its totient is φ = 6084255744000.

The previous prime is 20444424644599. The next prime is 20444424644641. The reversal of 20444424644622 is 22644642444402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7283779 + ... + 9692382.

It is an arithmetic number, because the mean of its divisors is an integer number (709535666952).

Almost surely, 2^{20444424644622} is an apocalyptic number.

20444424644622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20444424644622 is an abundant number, since it is smaller than the sum of its proper divisors (24965858040306).

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

20444424644622 is a wasteful number, since it uses less digits than its factorization.

20444424644622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16976505.

The product of its (nonzero) digits is 9437184, while the sum is 48.

The spelling of 20444424644622 in words is "twenty trillion, four hundred forty-four billion, four hundred twenty-four million, six hundred forty-four thousand, six hundred twenty-two".