88320220 has 12 divisors (see below), whose sum is σ = 185472504. Its totient is φ = 35328080.

The previous prime is 88320203. The next prime is 88320223. The reversal of 88320220 is 2202388.

It is a super-2 number, since 2×88320220² = 15600922521696800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207986 + ... + 2208025.

It is an arithmetic number, because the mean of its divisors is an integer number (15456042).

Almost surely, 2^88320220 is an apocalyptic number.

It is an amenable number.

88320220 is an abundant number, since it is smaller than the sum of its proper divisors (97152284).

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

88320220 is a wasteful number, since it uses less digits than its factorization.

88320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416020 (or 4416018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 88320220 is about 9397.8838043466. The cubic root of 88320220 is about 445.3348823756.

The spelling of 88320220 in words is "eighty-eight million, three hundred twenty thousand, two hundred twenty".