220253256 has 96 divisors (see below), whose sum is σ = 623881440. Its totient is φ = 72793728.

The previous prime is 220253239. The next prime is 220253279. The reversal of 220253256 is 652352022.

It is a super-2 number, since 2×220253256² = 97022993557203072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265915 + ... + 266741.

It is an arithmetic number, because the mean of its divisors is an integer number (6498765).

Almost surely, 2^220253256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220253256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311940720).

220253256 is an abundant number, since it is smaller than the sum of its proper divisors (403628184).

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

220253256 is a wasteful number, since it uses less digits than its factorization.

220253256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 220253256 is about 14840.9317766776. The cubic root of 220253256 is about 603.9126300827.

It can be divided in two parts, 22025 and 3256, that added together give a square (25281 = 159²).

The spelling of 220253256 in words is "two hundred twenty million, two hundred fifty-three thousand, two hundred fifty-six".