20898372250 has 64 divisors (see below), whose sum is σ = 44739661824. Its totient is φ = 7160496000.

The previous prime is 20898372181. The next prime is 20898372307. The reversal of 20898372250 is 5227389802.

It is a self number, because there is not a number n which added to its sum of digits gives 20898372250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3691422 + ... + 3697078.

It is an arithmetic number, because the mean of its divisors is an integer number (699057216).

Almost surely, 2^20898372250 is an apocalyptic number.

20898372250 is an abundant number, since it is smaller than the sum of its proper divisors (23841289574).

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

20898372250 is a wasteful number, since it uses less digits than its factorization.

20898372250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792 (or 7782 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 20898372250 in words is "twenty billion, eight hundred ninety-eight million, three hundred seventy-two thousand, two hundred fifty".