1220486402 has 16 divisors (see below), whose sum is σ = 1897032960. Its totient is φ = 588212688.

The previous prime is 1220486363. The next prime is 1220486417. The reversal of 1220486402 is 2046840221.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 7 ways as a sum of consecutive naturals, for example, 17873 + ... + 52539.

It is an arithmetic number, because the mean of its divisors is an integer number (118564560).

Almost surely, 2^1220486402 is an apocalyptic number.

1220486402 is a deficient number, since it is larger than the sum of its proper divisors (676546558).

1220486402 is a wasteful number, since it uses less digits than its factorization.

1220486402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35305.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1220486402 is about 34935.4605236570. The cubic root of 1220486402 is about 1068.6717153789.

The spelling of 1220486402 in words is "one billion, two hundred twenty million, four hundred eighty-six thousand, four hundred two".