220313212320 has 48 divisors (see below), whose sum is σ = 693986620320. Its totient is φ = 58750189824.

The previous prime is 220313212297. The next prime is 220313212331. The reversal of 220313212320 is 23212313022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×220313212320³ (a number of 35 digits) contains 333 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, 229492450 + ... + 229493409.

It is an arithmetic number, because the mean of its divisors is an integer number (14458054590).

Almost surely, 2^220313212320 is an apocalyptic number.

220313212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220313212320 is an abundant number, since it is smaller than the sum of its proper divisors (473673408000).

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

220313212320 is a wasteful number, since it uses less digits than its factorization.

220313212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458985877 (or 458985869 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220313212320 its reverse (23212313022), we get a palindrome (243525525342).

The spelling of 220313212320 in words is "two hundred twenty billion, three hundred thirteen million, two hundred twelve thousand, three hundred twenty".