220000010120020 has 96 divisors (see below), whose sum is σ = 514045267481088. Its totient is φ = 78562080548352.

The previous prime is 220000010119997. The next prime is 220000010120021. The reversal of 220000010120020 is 20021010000022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 220000010119979 and 220000010120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000010120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66863592 + ... + 70076671.

It is an arithmetic number, because the mean of its divisors is an integer number (5354638202928).

Almost surely, 2^{220000010120020} is an apocalyptic number.

220000010120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000010120020 is an abundant number, since it is smaller than the sum of its proper divisors (294045257361068).

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

220000010120020 is a wasteful number, since it uses less digits than its factorization.

220000010120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136940489 (or 136940487 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220000010120020 its reverse (20021010000022), we get a palindrome (240021020120042).

The spelling of 220000010120020 in words is "two hundred twenty trillion, ten million, one hundred twenty thousand, twenty".