220023212320 has 48 divisors (see below), whose sum is σ = 520067193408. Its totient is φ = 87964865280.

The previous prime is 220023212291. The next prime is 220023212341. The reversal of 220023212320 is 23212320022.

It is a super-2 number, since 2×220023212320² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28116 + ... + 663955.

It is an arithmetic number, because the mean of its divisors is an integer number (10834733196).

Almost surely, 2^220023212320 is an apocalyptic number.

220023212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220023212320 is an abundant number, since it is smaller than the sum of its proper divisors (300043981088).

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

220023212320 is a wasteful number, since it uses less digits than its factorization.

220023212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694073 (or 694065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220023212320 its reverse (23212320022), we get a palindrome (243235532342).

The spelling of 220023212320 in words is "two hundred twenty billion, twenty-three million, two hundred twelve thousand, three hundred twenty".