20044666404 has 48 divisors (see below), whose sum is σ = 59391606400. Its totient is φ = 5727047328.

The previous prime is 20044666393. The next prime is 20044666457. The reversal of 20044666404 is 40466644002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13256299 + ... + 13257810.

Almost surely, 2^20044666404 is an apocalyptic number.

It is an amenable number.

20044666404 is an abundant number, since it is smaller than the sum of its proper divisors (39346939996).

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

20044666404 is a wasteful number, since it uses less digits than its factorization.

20044666404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26514129 (or 26514121 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 20044666404 in words is "twenty billion, forty-four million, six hundred sixty-six thousand, four hundred four".