20622004404 has 12 divisors (see below), whose sum is σ = 48118010304. Its totient is φ = 6874001464.

The previous prime is 20622004399. The next prime is 20622004423. The reversal of 20622004404 is 40440022602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859250172 + ... + 859250195.

It is an arithmetic number, because the mean of its divisors is an integer number (4009834192).

Almost surely, 2^20622004404 is an apocalyptic number.

It is an amenable number.

20622004404 is an abundant number, since it is smaller than the sum of its proper divisors (27496005900).

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

20622004404 is a wasteful number, since it uses less digits than its factorization.

20622004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718500374 (or 1718500372 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The spelling of 20622004404 in words is "twenty billion, six hundred twenty-two million, four thousand, four hundred four".