1220047804 has 12 divisors (see below), whose sum is σ = 2135396200. Its totient is φ = 609934608.

The previous prime is 1220047771. The next prime is 1220047813. The reversal of 1220047804 is 4087400221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15562 + ... + 51790.

Almost surely, 2^1220047804 is an apocalyptic number.

It is an amenable number.

1220047804 is a deficient number, since it is larger than the sum of its proper divisors (915348396).

1220047804 is a wasteful number, since it uses less digits than its factorization.

1220047804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44652 (or 44650 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1220047804 is about 34929.1826987120. The cubic root of 1220047804 is about 1068.5436862494.

The spelling of 1220047804 in words is "one billion, two hundred twenty million, forty-seven thousand, eight hundred four".