20845063250 has 48 divisors (see below), whose sum is σ = 42891966936. Its totient is φ = 7580012000.

The previous prime is 20845063199. The next prime is 20845063271. The reversal of 20845063250 is 5236054802.

It can be written as a sum of positive squares in 4 ways, for example, as 4566110329 + 16278952921 = 67573^2 + 127589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20845063250.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314297 + ... + 374796.

Almost surely, 2^20845063250 is an apocalyptic number.

20845063250 is an abundant number, since it is smaller than the sum of its proper divisors (22046903686).

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

20845063250 is a wasteful number, since it uses less digits than its factorization.

20845063250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689132 (or 689111 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20845063250 in words is "twenty billion, eight hundred forty-five million, sixty-three thousand, two hundred fifty".