1320502552 has 16 divisors (see below), whose sum is σ = 2477322000. Its totient is φ = 659883360.

The previous prime is 1320502537. The next prime is 1320502607. The reversal of 1320502552 is 2552050231.

It is a happy number.

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, 30427 + ... + 59722.

It is an arithmetic number, because the mean of its divisors is an integer number (154832625).

Almost surely, 2^1320502552 is an apocalyptic number.

It is an amenable number.

1320502552 is a deficient number, since it is larger than the sum of its proper divisors (1156819448).

1320502552 is a wasteful number, since it uses less digits than its factorization.

1320502552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91986 (or 91982 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1320502552 is about 36338.7197352906. The cubic root of 1320502552 is about 1097.1005049698.

Adding to 1320502552 its reverse (2552050231), we get a palindrome (3872552783).

The spelling of 1320502552 in words is "one billion, three hundred twenty million, five hundred two thousand, five hundred fifty-two".