20002622444 has 24 divisors (see below), whose sum is σ = 40034715168. Its totient is φ = 8566237440.

The previous prime is 20002622411. The next prime is 20002622513. The reversal of 20002622444 is 44422620002.

It is a happy number.

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, 224339 + ... + 300554.

It is an arithmetic number, because the mean of its divisors is an integer number (1668113132).

Almost surely, 2^20002622444 is an apocalyptic number.

It is an amenable number.

20002622444 is an abundant number, since it is smaller than the sum of its proper divisors (20032092724).

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

20002622444 is a wasteful number, since it uses less digits than its factorization.

20002622444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526265 (or 526263 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 20002622444 in words is "twenty billion, two million, six hundred twenty-two thousand, four hundred forty-four".