120000002220 has 144 divisors (see below), whose sum is σ = 440470675008. Its totient is φ = 25815121920.

The previous prime is 120000002209. The next prime is 120000002257. The reversal of 120000002220 is 22200000021.

It is a Harshad number since it is a multiple of its sum of digits (9).

120000002220 is a modest number, since divided by 2220 gives 120 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2779701 + ... + 2822540.

It is an arithmetic number, because the mean of its divisors is an integer number (3058824132).

Almost surely, 2^120000002220 is an apocalyptic number.

120000002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000002220 is an abundant number, since it is smaller than the sum of its proper divisors (320470672788).

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

120000002220 is a wasteful number, since it uses less digits than its factorization.

120000002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602280 (or 5602275 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 120000002220 its reverse (22200000021), we get a palindrome (142200002241).

The spelling of 120000002220 in words is "one hundred twenty billion, two thousand, two hundred twenty".