20012332044 has 12 divisors (see below), whose sum is σ = 46695441464. Its totient is φ = 6670777344.

The previous prime is 20012332033. The next prime is 20012332079. The reversal of 20012332044 is 44023321002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20012332044.

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, 833847157 + ... + 833847180.

Almost surely, 2^20012332044 is an apocalyptic number.

It is an amenable number.

20012332044 is an abundant number, since it is smaller than the sum of its proper divisors (26683109420).

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

20012332044 is a wasteful number, since it uses less digits than its factorization.

20012332044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667694344 (or 1667694342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20012332044 its reverse (44023321002), we get a palindrome (64035653046).

The spelling of 20012332044 in words is "twenty billion, twelve million, three hundred thirty-two thousand, forty-four".