1220460056 has 32 divisors (see below), whose sum is σ = 2479332240. Its totient is φ = 560974848.

The previous prime is 1220460053. The next prime is 1220460071. The reversal of 1220460056 is 6500640221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220460053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98501 + ... + 110196.

Almost surely, 2^1220460056 is an apocalyptic number.

It is an amenable number.

1220460056 is an abundant number, since it is smaller than the sum of its proper divisors (1258872184).

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

1220460056 is a wasteful number, since it uses less digits than its factorization.

1220460056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208763 (or 208759 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1220460056 is about 34935.0834548882. The cubic root of 1220460056 is about 1068.6640257050.

The spelling of 1220460056 in words is "one billion, two hundred twenty million, four hundred sixty thousand, fifty-six".