1220066496 has 112 divisors (see below), whose sum is σ = 3912900480. Its totient is φ = 369711360.

The previous prime is 1220066459. The next prime is 1220066509. The reversal of 1220066496 is 6946600221.

1220066496 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 0 + 6 + 649 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1220066496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13086 + ... + 51101.

Almost surely, 2^1220066496 is an apocalyptic number.

1220066496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1220066496 is an abundant number, since it is smaller than the sum of its proper divisors (2692833984).

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

1220066496 is a wasteful number, since it uses less digits than its factorization.

1220066496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64219 (or 64203 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1220066496 is about 34929.4502676466. The cubic root of 1220066496 is about 1068.5491431713.

The spelling of 1220066496 in words is "one billion, two hundred twenty million, sixty-six thousand, four hundred ninety-six".