220003312020 has 48 divisors (see below), whose sum is σ = 632658179328. Its totient is φ = 57081939840.

The previous prime is 220003312019. The next prime is 220003312031. The reversal of 220003312020 is 20213300022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49548076 + ... + 49552515.

It is an arithmetic number, because the mean of its divisors is an integer number (13180378736).

Almost surely, 2^220003312020 is an apocalyptic number.

220003312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220003312020 is an abundant number, since it is smaller than the sum of its proper divisors (412654867308).

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

220003312020 is a wasteful number, since it uses less digits than its factorization.

220003312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99100640 (or 99100638 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 220003312020 its reverse (20213300022), we get a palindrome (240216612042).

The spelling of 220003312020 in words is "two hundred twenty billion, three million, three hundred twelve thousand, twenty".