20002504336 has 10 divisors (see below), whose sum is σ = 38754852182. Its totient is φ = 10001252160.

The previous prime is 20002504289. The next prime is 20002504337. The reversal of 20002504336 is 63340520002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16225664400 + 3776839936 = 127380^2 + 61456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20002504336.

It is not an unprimeable number, because it can be changed into a prime (20002504337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625078245 + ... + 625078276.

Almost surely, 2^20002504336 is an apocalyptic number.

It is an amenable number.

20002504336 is a deficient number, since it is larger than the sum of its proper divisors (18752347846).

20002504336 is a wasteful number, since it uses less digits than its factorization.

20002504336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250156529 (or 1250156523 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 20002504336 in words is "twenty billion, two million, five hundred four thousand, three hundred thirty-six".