920909402 has 16 divisors (see below), whose sum is σ = 1597724352. Its totient is φ = 389919840.

The previous prime is 920909401. The next prime is 920909411. The reversal of 920909402 is 204909029.

It is not an unprimeable number, because it can be changed into a prime (920909401) 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 in 7 ways as a sum of consecutive naturals, for example, 395099 + ... + 397422.

It is an arithmetic number, because the mean of its divisors is an integer number (99857772).

Almost surely, 2^920909402 is an apocalyptic number.

920909402 is a deficient number, since it is larger than the sum of its proper divisors (676814950).

920909402 is a wasteful number, since it uses less digits than its factorization.

920909402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792613.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 920909402 is about 30346.4891214783. The cubic root of 920909402 is about 972.9091823620.

The spelling of 920909402 in words is "nine hundred twenty million, nine hundred nine thousand, four hundred two".