220020002120120 has 32 divisors (see below), whose sum is σ = 496172669968800. Its totient is φ = 87807527035008.

The previous prime is 220020002120029. The next prime is 220020002120131. The reversal of 220020002120120 is 21021200020022.

It is a junction number, because it is equal to n+sod(n) for n = 220020002120095 and 220020002120104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6264788879 + ... + 6264823998.

It is an arithmetic number, because the mean of its divisors is an integer number (15505395936525).

Almost surely, 2^{220020002120120} is an apocalyptic number.

220020002120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020002120120 is an abundant number, since it is smaller than the sum of its proper divisors (276152667848680).

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

220020002120120 is a wasteful number, since it uses less digits than its factorization.

220020002120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529613327 (or 12529613323 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220020002120120 its reverse (21021200020022), we get a palindrome (241041202140142).

The spelling of 220020002120120 in words is "two hundred twenty trillion, twenty billion, two million, one hundred twenty thousand, one hundred twenty".