20444446626 has 16 divisors (see below), whose sum is σ = 40891728864. Its totient is φ = 6814342944.

The previous prime is 20444446591. The next prime is 20444446657. The reversal of 20444446626 is 62664444402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17875 + ... + 202998.

It is an arithmetic number, because the mean of its divisors is an integer number (2555733054).

Almost surely, 2^20444446626 is an apocalyptic number.

20444446626 is an abundant number, since it is smaller than the sum of its proper divisors (20447282238).

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

20444446626 is a wasteful number, since it uses less digits than its factorization.

20444446626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236305.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 20444446626 in words is "twenty billion, four hundred forty-four million, four hundred forty-six thousand, six hundred twenty-six".