1220375004 has 48 divisors (see below), whose sum is σ = 2940112896. Its totient is φ = 393724800.

The previous prime is 1220374951. The next prime is 1220375053. The reversal of 1220375004 is 4005730221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52719 + ... + 72249.

It is an arithmetic number, because the mean of its divisors is an integer number (61252352).

Almost surely, 2^1220375004 is an apocalyptic number.

It is an amenable number.

1220375004 is an abundant number, since it is smaller than the sum of its proper divisors (1719737892).

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

1220375004 is a wasteful number, since it uses less digits than its factorization.

1220375004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19706 (or 19704 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1220375004 is about 34933.8661473362. The cubic root of 1220375004 is about 1068.6392006062.

The spelling of 1220375004 in words is "one billion, two hundred twenty million, three hundred seventy-five thousand, four".