1320536652 has 12 divisors (see below), whose sum is σ = 3081252216. Its totient is φ = 440178880.

The previous prime is 1320536627. The next prime is 1320536677. The reversal of 1320536652 is 2566350231.

1320536652 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1320536627) and next prime (1320536677).

It is a tau number, because it is divible by the number of its divisors (12).

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, 55022349 + ... + 55022372.

It is an arithmetic number, because the mean of its divisors is an integer number (256771018).

Almost surely, 2^1320536652 is an apocalyptic number.

1320536652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320536652 is an abundant number, since it is smaller than the sum of its proper divisors (1760715564).

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

1320536652 is a wasteful number, since it uses less digits than its factorization.

1320536652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110044728 (or 110044726 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1320536652 is about 36339.1889287584. The cubic root of 1320536652 is about 1097.1099485475.

Adding to 1320536652 its reverse (2566350231), we get a palindrome (3886886883).

The spelling of 1320536652 in words is "one billion, three hundred twenty million, five hundred thirty-six thousand, six hundred fifty-two".