1220203324 has 12 divisors (see below), whose sum is σ = 2137769424. Its totient is φ = 609412064.

The previous prime is 1220203297. The next prime is 1220203349. The reversal of 1220203324 is 4233020221.

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, 168409 + ... + 175504.

It is an arithmetic number, because the mean of its divisors is an integer number (178147452).

Almost surely, 2^1220203324 is an apocalyptic number.

It is an amenable number.

1220203324 is a deficient number, since it is larger than the sum of its proper divisors (917566100).

1220203324 is a wasteful number, since it uses less digits than its factorization.

1220203324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344804 (or 344802 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1220203324 is about 34931.4088464808. The cubic root of 1220203324 is about 1068.5890868895.

Adding to 1220203324 its reverse (4233020221), we get a palindrome (5453223545).

The spelling of 1220203324 in words is "one billion, two hundred twenty million, two hundred three thousand, three hundred twenty-four".