120000001020220 has 96 divisors (see below), whose sum is σ = 265961507374080. Its totient is φ = 45354121263360.

The previous prime is 120000001020203. The next prime is 120000001020241. The reversal of 120000001020220 is 22020100000021.

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 = 120000001020197 and 120000001020206.

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, 225790119 + ... + 226320961.

It is an arithmetic number, because the mean of its divisors is an integer number (2770432368480).

Almost surely, 2^{120000001020220} is an apocalyptic number.

120000001020220 is a gapful number since it is divisible by the number (10) 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 120000001020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132980753687040).

120000001020220 is an abundant number, since it is smaller than the sum of its proper divisors (145961506353860).

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

120000001020220 is a wasteful number, since it uses less digits than its factorization.

120000001020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532435 (or 532433 counting only the distinct ones).

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

Adding to 120000001020220 its reverse (22020100000021), we get a palindrome (142020101020241).

The spelling of 120000001020220 in words is "one hundred twenty trillion, one million, twenty thousand, two hundred twenty".