220396250 has 20 divisors (see below), whose sum is σ = 413113074. Its totient is φ = 88158000.

The previous prime is 220396247. The next prime is 220396289. The reversal of 220396250 is 52693022.

It can be written as a sum of positive squares in 5 ways, for example, as 18671041 + 201725209 = 4321^2 + 14203^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86909 + ... + 89408.

Almost surely, 2^220396250 is an apocalyptic number.

220396250 is a deficient number, since it is larger than the sum of its proper divisors (192716824).

220396250 is an equidigital number, since it uses as much as digits as its factorization.

220396250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176339 (or 176324 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 220396250 is about 14845.7485496690. The cubic root of 220396250 is about 604.0432936089.

The spelling of 220396250 in words is "two hundred twenty million, three hundred ninety-six thousand, two hundred fifty".