102256320 has 112 divisors (see below), whose sum is σ = 335950560. Its totient is φ = 26320896.

The previous prime is 102256307. The next prime is 102256351. The reversal of 102256320 is 23652201.

It is a congruent 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, 26004 + ... + 29676.

Almost surely, 2^102256320 is an apocalyptic number.

102256320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167975280).

102256320 is an abundant number, since it is smaller than the sum of its proper divisors (233694240).

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

102256320 is a wasteful number, since it uses less digits than its factorization.

102256320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3712 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102256320 is about 10112.1867071371. The cubic root of 102256320 is about 467.6239216990.

The spelling of 102256320 in words is "one hundred two million, two hundred fifty-six thousand, three hundred twenty".