1220502004 has 24 divisors (see below), whose sum is σ = 2226954240. Its totient is φ = 584561376.

The previous prime is 1220501983. The next prime is 1220502007. The reversal of 1220502004 is 4002050221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220502007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26692 + ... + 56155.

It is an arithmetic number, because the mean of its divisors is an integer number (92789760).

Almost surely, 2^1220502004 is an apocalyptic number.

It is an amenable number.

1220502004 is a deficient number, since it is larger than the sum of its proper divisors (1006452236).

1220502004 is a wasteful number, since it uses less digits than its factorization.

1220502004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83007 (or 83005 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1220502004 is about 34935.6838204149. The cubic root of 1220502004 is about 1068.6762691222.

Adding to 1220502004 its reverse (4002050221), we get a palindrome (5222552225).

The spelling of 1220502004 in words is "one billion, two hundred twenty million, five hundred two thousand, four".