220001111112020 has 24 divisors (see below), whose sum is σ = 528002666669184. Its totient is φ = 75428952381216.

The previous prime is 220001111111941. The next prime is 220001111112053. The reversal of 220001111112020 is 20211111100022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 220001111111986 and 220001111112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785718253832 + ... + 785718254111.

It is an arithmetic number, because the mean of its divisors is an integer number (22000111111216).

Almost surely, 2^{220001111112020} is an apocalyptic number.

220001111112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001111112020 is an abundant number, since it is smaller than the sum of its proper divisors (308001555557164).

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

220001111112020 is a wasteful number, since it uses less digits than its factorization.

220001111112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571436507959 (or 1571436507957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220001111112020 its reverse (20211111100022), we get a palindrome (240212222212042).

The spelling of 220001111112020 in words is "two hundred twenty trillion, one billion, one hundred eleven million, one hundred twelve thousand, twenty".