20044500012 has 36 divisors (see below), whose sum is σ = 53648516376. Its totient is φ = 6288470400.

The previous prime is 20044499957. The next prime is 20044500031. The reversal of 20044500012 is 21000544002.

20044500012 is a `hidden beast` number, since 200 + 4 + 450 + 0 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16375614 + ... + 16376837.

It is an arithmetic number, because the mean of its divisors is an integer number (1490236566).

Almost surely, 2^20044500012 is an apocalyptic number.

It is an amenable number.

20044500012 is an abundant number, since it is smaller than the sum of its proper divisors (33604016364).

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

20044500012 is a wasteful number, since it uses less digits than its factorization.

20044500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32752478 (or 32752473 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The spelling of 20044500012 in words is "twenty billion, forty-four million, five hundred thousand, twelve".