20020012044 has 24 divisors (see below), whose sum is σ = 46740149568. Its totient is φ = 6669510480.

The previous prime is 20020012043. The next prime is 20020012063. The reversal of 20020012044 is 44021002002.

It is not an unprimeable number, because it can be changed into a prime (20020012043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456522 + ... + 498449.

It is an arithmetic number, because the mean of its divisors is an integer number (1947506232).

Almost surely, 2^20020012044 is an apocalyptic number.

It is an amenable number.

20020012044 is an abundant number, since it is smaller than the sum of its proper divisors (26720137524).

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

20020012044 is a wasteful number, since it uses less digits than its factorization.

20020012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956725 (or 956723 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20020012044 its reverse (44021002002), we get a palindrome (64041014046).

The spelling of 20020012044 in words is "twenty billion, twenty million, twelve thousand, forty-four".