220001000120220 has 96 divisors (see below), whose sum is σ = 672122068079616. Its totient is φ = 53324130297600.

The previous prime is 220001000120219. The next prime is 220001000120269. The reversal of 220001000120220 is 22021000100022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220001000120196 and 220001000120205.

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, 25787311 + ... + 33241350.

It is an arithmetic number, because the mean of its divisors is an integer number (7001271542496).

Almost surely, 2^{220001000120220} is an apocalyptic number.

220001000120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001000120220 is an abundant number, since it is smaller than the sum of its proper divisors (452121067959396).

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

220001000120220 is a wasteful number, since it uses less digits than its factorization.

220001000120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59034331 (or 59034329 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220001000120220 its reverse (22021000100022), we get a palindrome (242022000220242).

The spelling of 220001000120220 in words is "two hundred twenty trillion, one billion, one hundred twenty thousand, two hundred twenty".