2320620091 has 2 divisors, whose sum is σ = 2320620092. Its totient is φ = 2320620090.

The previous prime is 2320620077. The next prime is 2320620149. The reversal of 2320620091 is 1900260232.

It is a happy number.

2320620091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320620091 - 2⁵ = 2320620059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2320620691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160310045 + 1160310046.

It is an arithmetic number, because the mean of its divisors is an integer number (1160310046).

Almost surely, 2^2320620091 is an apocalyptic number.

2320620091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320620091 is an equidigital number, since it uses as much as digits as its factorization.

2320620091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2320620091 is about 48172.8148544384. The cubic root of 2320620091 is about 1323.9391230076.

The spelling of 2320620091 in words is "two billion, three hundred twenty million, six hundred twenty thousand, ninety-one".