1220503324 has 6 divisors (see below), whose sum is σ = 2135880824. Its totient is φ = 610251660.

The previous prime is 1220503283. The next prime is 1220503327. The reversal of 1220503324 is 4233050221.

It is a junction number, because it is equal to n+sod(n) for n = 1220503295 and 1220503304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220503327) 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 as a sum of consecutive naturals, namely, 152562912 + ... + 152562919.

Almost surely, 2^1220503324 is an apocalyptic number.

It is an amenable number.

1220503324 is a deficient number, since it is larger than the sum of its proper divisors (915377500).

1220503324 is a wasteful number, since it uses less digits than its factorization.

1220503324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305125835 (or 305125833 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1220503324 is about 34935.7027122684. The cubic root of 1220503324 is about 1068.6766543877.

Adding to 1220503324 its reverse (4233050221), we get a palindrome (5453553545).

The spelling of 1220503324 in words is "one billion, two hundred twenty million, five hundred three thousand, three hundred twenty-four".