220636145352 has 32 divisors (see below), whose sum is σ = 630388987200. Its totient is φ = 63038898624.

The previous prime is 220636145299. The next prime is 220636145393. The reversal of 220636145352 is 253541636022.

It is a self number, because there is not a number n which added to its sum of digits gives 220636145352.

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, 656655027 + ... + 656655362.

It is an arithmetic number, because the mean of its divisors is an integer number (19699655850).

Almost surely, 2^220636145352 is an apocalyptic number.

It is an amenable number.

220636145352 is an abundant number, since it is smaller than the sum of its proper divisors (409752841848).

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

220636145352 is a wasteful number, since it uses less digits than its factorization.

220636145352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313310405 (or 1313310401 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 220636145352 in words is "two hundred twenty billion, six hundred thirty-six million, one hundred forty-five thousand, three hundred fifty-two".