220012233320 has 48 divisors (see below), whose sum is σ = 544121175780. Its totient is φ = 80004446720.

The previous prime is 220012233253. The next prime is 220012233383. The reversal of 220012233320 is 23332210022.

It can be written as a sum of positive squares in 2 ways, for example, as 208613254564 + 11398978756 = 456742^2 + 106766^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220012233292 and 220012233301.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22723697 + ... + 22733376.

Almost surely, 2^220012233320 is an apocalyptic number.

220012233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012233320 is an abundant number, since it is smaller than the sum of its proper divisors (324108942460).

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

220012233320 is a wasteful number, since it uses less digits than its factorization.

220012233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45457106 (or 45457091 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220012233320 its reverse (23332210022), we get a palindrome (243344443342).

The spelling of 220012233320 in words is "two hundred twenty billion, twelve million, two hundred thirty-three thousand, three hundred twenty".