1220376160 has 24 divisors (see below), whose sum is σ = 2883139056. Its totient is φ = 488150400.

The previous prime is 1220376151. The next prime is 1220376167. The reversal of 1220376160 is 616730221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220376167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813516 + ... + 3813835.

It is an arithmetic number, because the mean of its divisors is an integer number (120130794).

Almost surely, 2^1220376160 is an apocalyptic number.

1220376160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220376160 is an abundant number, since it is smaller than the sum of its proper divisors (1662762896).

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

1220376160 is an equidigital number, since it uses as much as digits as its factorization.

1220376160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627366 (or 7627358 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1220376160 is about 34933.8826928814. The cubic root of 1220376160 is about 1068.6395380289.

The spelling of 1220376160 in words is "one billion, two hundred twenty million, three hundred seventy-six thousand, one hundred sixty".