320432029 has 2 divisors, whose sum is σ = 320432030. Its totient is φ = 320432028.

The previous prime is 320432023. The next prime is 320432039. The reversal of 320432029 is 920234023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206583129 + 113848900 = 14373^2 + 10670^2 .

It is a cyclic number.

It is not a de Polignac number, because 320432029 - 2¹⁷ = 320300957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320431994 and 320432012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320432023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160216014 + 160216015.

It is an arithmetic number, because the mean of its divisors is an integer number (160216015).

Almost surely, 2^320432029 is an apocalyptic number.

It is an amenable number.

320432029 is a deficient number, since it is larger than the sum of its proper divisors (1).

320432029 is an equidigital number, since it uses as much as digits as its factorization.

320432029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 320432029 is about 17900.6153246194. The cubic root of 320432029 is about 684.2980565805.

The spelling of 320432029 in words is "three hundred twenty million, four hundred thirty-two thousand, twenty-nine".