20444662684 has 6 divisors (see below), whose sum is σ = 35778159704. Its totient is φ = 10222331340.

The previous prime is 20444662627. The next prime is 20444662691. The reversal of 20444662684 is 48626644402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555582832 + ... + 2555582839.

Almost surely, 2^20444662684 is an apocalyptic number.

It is an amenable number.

20444662684 is a deficient number, since it is larger than the sum of its proper divisors (15333497020).

20444662684 is a wasteful number, since it uses less digits than its factorization.

20444662684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111165675 (or 5111165673 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 46.

The spelling of 20444662684 in words is "twenty billion, four hundred forty-four million, six hundred sixty-two thousand, six hundred eighty-four".