220433553256 has 48 divisors (see below), whose sum is σ = 483976758240. Its totient is φ = 93845858400.

The previous prime is 220433553157. The next prime is 220433553257. The reversal of 220433553256 is 652355334022.

It is not an unprimeable number, because it can be changed into a prime (220433553257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1802830 + ... + 1921213.

It is an arithmetic number, because the mean of its divisors is an integer number (10082849130).

Almost surely, 2^220433553256 is an apocalyptic number.

It is an amenable number.

220433553256 is an abundant number, since it is smaller than the sum of its proper divisors (263543204984).

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

220433553256 is a wasteful number, since it uses less digits than its factorization.

220433553256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724214 (or 3724203 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 220433553256 its reverse (652355334022), we get a palindrome (872788887278).

The spelling of 220433553256 in words is "two hundred twenty billion, four hundred thirty-three million, five hundred fifty-three thousand, two hundred fifty-six".