20444679038000 has 80 divisors (see below), whose sum is σ = 56497410225984. Its totient is φ = 7009604236800.

The previous prime is 20444679037973. The next prime is 20444679038029. The reversal of 20444679038000 is 83097644402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 730153109 + ... + 730181108.

Almost surely, 2^{20444679038000} is an apocalyptic number.

20444679038000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444679038000 is an abundant number, since it is smaller than the sum of its proper divisors (36052731187984).

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

20444679038000 is a wasteful number, since it uses less digits than its factorization.

20444679038000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460334247 (or 1460334231 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 20444679038000 in words is "twenty trillion, four hundred forty-four billion, six hundred seventy-nine million, thirty-eight thousand".