20306251250 has 40 divisors (see below), whose sum is σ = 38707297200. Its totient is φ = 7984802000.

The previous prime is 20306251219. The next prime is 20306251271. The reversal of 20306251250 is 5215260302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63920 + ... + 211419.

It is an arithmetic number, because the mean of its divisors is an integer number (967682430).

Almost surely, 2^20306251250 is an apocalyptic number.

20306251250 is a deficient number, since it is larger than the sum of its proper divisors (18401045950).

20306251250 is an equidigital number, since it uses as much as digits as its factorization.

20306251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275420 (or 275405 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20306251250 in words is "twenty billion, three hundred six million, two hundred fifty-one thousand, two hundred fifty".