23218160220 has 96 divisors (see below), whose sum is σ = 72279648000. Its totient is φ = 6187620672.

The previous prime is 23218160183. The next prime is 23218160237. The reversal of 23218160220 is 2206181232.

23218160220 is a `hidden beast` number, since 2 + 32 + 1 + 8 + 1 + 602 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904807 + ... + 930113.

It is an arithmetic number, because the mean of its divisors is an integer number (752913000).

Almost surely, 2^23218160220 is an apocalyptic number.

23218160220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23218160220 is an abundant number, since it is smaller than the sum of its proper divisors (49061487780).

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

23218160220 is a wasteful number, since it uses less digits than its factorization.

23218160220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27024 (or 27016 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 23218160220 in words is "twenty-three billion, two hundred eighteen million, one hundred sixty thousand, two hundred twenty".