1220433255120 has 80 divisors (see below), whose sum is σ = 3947836286592. Its totient is φ = 311298915840.

The previous prime is 1220433255073. The next prime is 1220433255157. The reversal of 1220433255120 is 215523340221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110540971 + ... + 110552010.

Almost surely, 2^{1220433255120} is an apocalyptic number.

1220433255120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220433255120 is an abundant number, since it is smaller than the sum of its proper divisors (2727403031472).

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

1220433255120 is a wasteful number, since it uses less digits than its factorization.

1220433255120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221093020 (or 221093014 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1220433255120 its reverse (215523340221), we get a palindrome (1435956595341).

The spelling of 1220433255120 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, two hundred fifty-five thousand, one hundred twenty".