20097922 has 16 divisors (see below), whose sum is σ = 32913720. Its totient is φ = 9148032.

The previous prime is 20097911. The next prime is 20097947. The reversal of 20097922 is 22979002.

It can be written as a sum of positive squares in 4 ways, for example, as 10556001 + 9541921 = 3249^2 + 3089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 7192.

Almost surely, 2^20097922 is an apocalyptic number.

20097922 is a deficient number, since it is larger than the sum of its proper divisors (12815798).

20097922 is a wasteful number, since it uses less digits than its factorization.

20097922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10677.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 20097922 is about 4483.0705994887. The cubic root of 20097922 is about 271.8840426287.

The spelling of 20097922 in words is "twenty million, ninety-seven thousand, nine hundred twenty-two".