1220303324 has 12 divisors (see below), whose sum is σ = 2136065400. Its totient is φ = 609998928.

The previous prime is 1220303317. The next prime is 1220303339. The reversal of 1220303324 is 4233030221.

It is a junction number, because it is equal to n+sod(n) for n = 1220303296 and 1220303305.

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, 19154 + ... + 52985.

It is an arithmetic number, because the mean of its divisors is an integer number (178005450).

Almost surely, 2^1220303324 is an apocalyptic number.

It is an amenable number.

1220303324 is a deficient number, since it is larger than the sum of its proper divisors (915762076).

1220303324 is a wasteful number, since it uses less digits than its factorization.

1220303324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76372 (or 76370 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1220303324 is about 34932.8401937203. The cubic root of 1220303324 is about 1068.6182776502.

Adding to 1220303324 its reverse (4233030221), we get a palindrome (5453333545).

The spelling of 1220303324 in words is "one billion, two hundred twenty million, three hundred three thousand, three hundred twenty-four".