220020323100020 has 96 divisors (see below), whose sum is σ = 506409705768960. Its totient is φ = 79935920824320.

The previous prime is 220020323099999. The next prime is 220020323100031. The reversal of 220020323100020 is 20001323020022.

220020323100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25289669 + ... + 32857388.

It is an arithmetic number, because the mean of its divisors is an integer number (5275101101760).

Almost surely, 2^{220020323100020} is an apocalyptic number.

220020323100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020323100020 is an abundant number, since it is smaller than the sum of its proper divisors (286389382668940).

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

220020323100020 is a wasteful number, since it uses less digits than its factorization.

220020323100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58147473 (or 58147471 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 220020323100020 its reverse (20001323020022), we get a palindrome (240021646120042).

The spelling of 220020323100020 in words is "two hundred twenty trillion, twenty billion, three hundred twenty-three million, one hundred thousand, twenty".