20004115250 has 96 divisors (see below), whose sum is σ = 44625213360. Its totient is φ = 6691104000.

The previous prime is 20004115123. The next prime is 20004115277. The reversal of 20004115250 is 5251140002.

It can be written as a sum of positive squares in 8 ways, for example, as 539121961 + 19464993289 = 23219^2 + 139517^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482336 + ... + 522164.

Almost surely, 2^20004115250 is an apocalyptic number.

20004115250 is an abundant number, since it is smaller than the sum of its proper divisors (24621098110).

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

20004115250 is a wasteful number, since it uses less digits than its factorization.

20004115250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39901 (or 39884 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 20004115250 its reverse (5251140002), we get a palindrome (25255255252).

The spelling of 20004115250 in words is "twenty billion, four million, one hundred fifteen thousand, two hundred fifty".