1320432052 has 12 divisors (see below), whose sum is σ = 2317615300. Its totient is φ = 658256256.

The previous prime is 1320432023. The next prime is 1320432059. The reversal of 1320432052 is 2502340231.

It can be written as a sum of positive squares in 2 ways, for example, as 326669476 + 993762576 = 18074^2 + 31524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320432059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488427 + ... + 491122.

Almost surely, 2^1320432052 is an apocalyptic number.

It is an amenable number.

1320432052 is a deficient number, since it is larger than the sum of its proper divisors (997183248).

1320432052 is a wasteful number, since it uses less digits than its factorization.

1320432052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979890 (or 979888 counting only the distinct ones).

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

The square root of 1320432052 is about 36337.7496826647. The cubic root of 1320432052 is about 1097.0809803421.

Adding to 1320432052 its reverse (2502340231), we get a palindrome (3822772283).

It can be divided in two parts, 13 and 20432052, that multiplied together give a triangular number (265616676 = T₂₃₀₄₈).

The spelling of 1320432052 in words is "one billion, three hundred twenty million, four hundred thirty-two thousand, fifty-two".