252220245355 has 16 divisors (see below), whose sum is σ = 329306441184. Its totient is φ = 184334791680.

The previous prime is 252220245337. The next prime is 252220245373. The reversal of 252220245355 is 553542022252.

It is an interprime number because it is at equal distance from previous prime (252220245337) and next prime (252220245373).

It is a de Polignac number, because none of the positive numbers 2^k-252220245355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19995301 + ... + 20007910.

It is an arithmetic number, because the mean of its divisors is an integer number (20581652574).

Almost surely, 2^252220245355 is an apocalyptic number.

252220245355 is a deficient number, since it is larger than the sum of its proper divisors (77086195829).

252220245355 is a wasteful number, since it uses less digits than its factorization.

252220245355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003326.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 252220245355 in words is "two hundred fifty-two billion, two hundred twenty million, two hundred forty-five thousand, three hundred fifty-five".