220012000120 has 128 divisors (see below), whose sum is σ = 572082186240. Its totient is φ = 75260528640.

The previous prime is 220012000099. The next prime is 220012000141. The reversal of 220012000120 is 21000210022.

It is an interprime number because it is at equal distance from previous prime (220012000099) and next prime (220012000141).

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 = 220012000097 and 220012000106.

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, 17818669 + ... + 17831011.

It is an arithmetic number, because the mean of its divisors is an integer number (4469392080).

Almost surely, 2^220012000120 is an apocalyptic number.

220012000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220012000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286041093120).

220012000120 is an abundant number, since it is smaller than the sum of its proper divisors (352070186120).

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

220012000120 is a wasteful number, since it uses less digits than its factorization.

220012000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765 (or 14761 counting only the distinct ones).

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

Adding to 220012000120 its reverse (21000210022), we get a palindrome (241012210142).

The spelling of 220012000120 in words is "two hundred twenty billion, twelve million, one hundred twenty", and thus it is an aban number.