920090929 has 2 divisors, whose sum is σ = 920090930. Its totient is φ = 920090928.

The previous prime is 920090893. The next prime is 920090933. The reversal of 920090929 is 929090029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908901904 + 11189025 = 30148^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 920090929 - 2¹⁷ = 919959857 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 920090891 and 920090900.

It is not a weakly prime, because it can be changed into another prime (920090429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460045464 + 460045465.

It is an arithmetic number, because the mean of its divisors is an integer number (460045465).

Almost surely, 2^920090929 is an apocalyptic number.

It is an amenable number.

920090929 is a deficient number, since it is larger than the sum of its proper divisors (1).

920090929 is an equidigital number, since it uses as much as digits as its factorization.

920090929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 920090929 is about 30333.0006593479. Note that the first 3 decimals coincide. The cubic root of 920090929 is about 972.6208673841.

Subtracting from 920090929 its sum of digits (40), we obtain a square (920090889 = 30333²).

The spelling of 920090929 in words is "nine hundred twenty million, ninety thousand, nine hundred twenty-nine".