20145480250 has 96 divisors (see below), whose sum is σ = 46450491984. Its totient is φ = 6500659200.

The previous prime is 20145480247. The next prime is 20145480269. The reversal of 20145480250 is 5208454102.

It can be written as a sum of positive squares in 8 ways, for example, as 8508033121 + 11637447129 = 92239^2 + 107877^2 .

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, 159882 + ... + 256618.

Almost surely, 2^20145480250 is an apocalyptic number.

20145480250 is an abundant number, since it is smaller than the sum of its proper divisors (26305011734).

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

20145480250 is a wasteful number, since it uses less digits than its factorization.

20145480250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96785 (or 96768 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 20145480250 in words is "twenty billion, one hundred forty-five million, four hundred eighty thousand, two hundred fifty".