1220116396 has 6 divisors (see below), whose sum is σ = 2135203700. Its totient is φ = 610058196.

The previous prime is 1220116393. The next prime is 1220116411. The reversal of 1220116396 is 6936110221.

It is not an unprimeable number, because it can be changed into a prime (1220116393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152514546 + ... + 152514553.

Almost surely, 2^1220116396 is an apocalyptic number.

It is an amenable number.

1220116396 is a deficient number, since it is larger than the sum of its proper divisors (915087304).

1220116396 is a wasteful number, since it uses less digits than its factorization.

1220116396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305029103 (or 305029101 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1220116396 is about 34930.1645572992. The cubic root of 1220116396 is about 1068.5637106492.

The spelling of 1220116396 in words is "one billion, two hundred twenty million, one hundred sixteen thousand, three hundred ninety-six".