20226172250 has 16 divisors (see below), whose sum is σ = 37863394920. Its totient is φ = 8090468800.

The previous prime is 20226172249. The next prime is 20226172319. The reversal of 20226172250 is 5227162202.

It can be written as a sum of positive squares in 4 ways, for example, as 9354564961 + 10871607289 = 96719^2 + 104267^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40452095 + ... + 40452594.

Almost surely, 2^20226172250 is an apocalyptic number.

20226172250 is a deficient number, since it is larger than the sum of its proper divisors (17637222670).

20226172250 is an equidigital number, since it uses as much as digits as its factorization.

20226172250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80904706 (or 80904696 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 20226172250 in words is "twenty billion, two hundred twenty-six million, one hundred seventy-two thousand, two hundred fifty".