920320147 has 2 divisors, whose sum is σ = 920320148. Its totient is φ = 920320146.

The previous prime is 920320139. The next prime is 920320151. The reversal of 920320147 is 741023029.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 920320147 - 2³ = 920320139 is a prime.

It is not a weakly prime, because it can be changed into another prime (920320117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460160073 + 460160074.

It is an arithmetic number, because the mean of its divisors is an integer number (460160074).

Almost surely, 2^920320147 is an apocalyptic number.

920320147 is a deficient number, since it is larger than the sum of its proper divisors (1).

920320147 is an equidigital number, since it uses as much as digits as its factorization.

920320147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 920320147 is about 30336.7787841755. The cubic root of 920320147 is about 972.7016288581.

The spelling of 920320147 in words is "nine hundred twenty million, three hundred twenty thousand, one hundred forty-seven".