1220753204 has 48 divisors (see below), whose sum is σ = 2477200320. Its totient is φ = 520220160.

The previous prime is 1220753203. The next prime is 1220753207. The reversal of 1220753204 is 4023570221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220753203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198179 + ... + 204245.

It is an arithmetic number, because the mean of its divisors is an integer number (51608340).

Almost surely, 2^1220753204 is an apocalyptic number.

It is an amenable number.

1220753204 is an abundant number, since it is smaller than the sum of its proper divisors (1256447116).

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

1220753204 is a wasteful number, since it uses less digits than its factorization.

1220753204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1220753204 is about 34939.2788133928. The cubic root of 1220753204 is about 1068.7495813229.

The spelling of 1220753204 in words is "one billion, two hundred twenty million, seven hundred fifty-three thousand, two hundred four".