920403427 has 2 divisors, whose sum is σ = 920403428. Its totient is φ = 920403426.

The previous prime is 920403413. The next prime is 920403469. The reversal of 920403427 is 724304029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920403427 - 2¹¹ = 920401379 is a prime.

It is not a weakly prime, because it can be changed into another prime (920403227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460201713 + 460201714.

It is an arithmetic number, because the mean of its divisors is an integer number (460201714).

Almost surely, 2^920403427 is an apocalyptic number.

920403427 is a deficient number, since it is larger than the sum of its proper divisors (1).

920403427 is an equidigital number, since it uses as much as digits as its factorization.

920403427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 920403427 is about 30338.1513444705. The cubic root of 920403427 is about 972.7309679776.

The spelling of 920403427 in words is "nine hundred twenty million, four hundred three thousand, four hundred twenty-seven".