1320020324 has 24 divisors (see below), whose sum is σ = 2754826368. Its totient is φ = 541126080.

The previous prime is 1320020287. The next prime is 1320020341. The reversal of 1320020324 is 4230200231.

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 7 ways as a sum of consecutive naturals, for example, 1024217 + ... + 1025504.

It is an arithmetic number, because the mean of its divisors is an integer number (114784432).

Almost surely, 2^1320020324 is an apocalyptic number.

1320020324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1320020324 is an abundant number, since it is smaller than the sum of its proper divisors (1434806044).

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

1320020324 is a wasteful number, since it uses less digits than its factorization.

1320020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049755 (or 2049753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320020324 is about 36332.0839479378. The cubic root of 1320020324 is about 1096.9669404176.

Adding to 1320020324 its reverse (4230200231), we get a palindrome (5550220555).

The spelling of 1320020324 in words is "one billion, three hundred twenty million, twenty thousand, three hundred twenty-four".