20252250872 has 16 divisors (see below), whose sum is σ = 43397680560. Its totient is φ = 8679536064.

The previous prime is 20252250871. The next prime is 20252250929. The reversal of 20252250872 is 27805225202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252250871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180823613 + ... + 180823724.

It is an arithmetic number, because the mean of its divisors is an integer number (2712355035).

Almost surely, 2^20252250872 is an apocalyptic number.

It is an amenable number.

20252250872 is an abundant number, since it is smaller than the sum of its proper divisors (23145429688).

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

20252250872 is a wasteful number, since it uses less digits than its factorization.

20252250872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361647350 (or 361647346 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 20252250872 in words is "twenty billion, two hundred fifty-two million, two hundred fifty thousand, eight hundred seventy-two".