1220488384 has 14 divisors (see below), whose sum is σ = 2421906764. Its totient is φ = 610244160.

The previous prime is 1220488349. The next prime is 1220488397. The reversal of 1220488384 is 4838840221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9535002 + ... + 9535129.

Almost surely, 2^1220488384 is an apocalyptic number.

It is an amenable number.

1220488384 is a deficient number, since it is larger than the sum of its proper divisors (1201418380).

1220488384 is an equidigital number, since it uses as much as digits as its factorization.

1220488384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070143 (or 19070133 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 1220488384 is about 34935.4888902388. The cubic root of 1220488384 is about 1068.6722938658.

The spelling of 1220488384 in words is "one billion, two hundred twenty million, four hundred eighty-eight thousand, three hundred eighty-four".