20024264644 has 24 divisors (see below), whose sum is σ = 35695951200. Its totient is φ = 9825988800.

The previous prime is 20024264629. The next prime is 20024264647. The reversal of 20024264644 is 44646242002.

It is not an unprimeable number, because it can be changed into a prime (20024264647) 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, 71247 + ... + 212425.

It is an arithmetic number, because the mean of its divisors is an integer number (1487331300).

Almost surely, 2^20024264644 is an apocalyptic number.

It is an amenable number.

20024264644 is a deficient number, since it is larger than the sum of its proper divisors (15671686556).

20024264644 is a wasteful number, since it uses less digits than its factorization.

20024264644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141843 (or 141841 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 20024264644 in words is "twenty billion, twenty-four million, two hundred sixty-four thousand, six hundred forty-four".