20524443404 has 12 divisors (see below), whose sum is σ = 35952352800. Its totient is φ = 10252342608.

The previous prime is 20524443377. The next prime is 20524443437. The reversal of 20524443404 is 40434442502.

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, 2465099 + ... + 2473410.

It is an arithmetic number, because the mean of its divisors is an integer number (2996029400).

Almost surely, 2^20524443404 is an apocalyptic number.

It is an amenable number.

20524443404 is a deficient number, since it is larger than the sum of its proper divisors (15427909396).

20524443404 is a wasteful number, since it uses less digits than its factorization.

20524443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939552 (or 4939550 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 20524443404 its reverse (40434442502), we get a palindrome (60958885906).

The spelling of 20524443404 in words is "twenty billion, five hundred twenty-four million, four hundred forty-three thousand, four hundred four".