20110922 has 8 divisors (see below), whose sum is σ = 32486916. Its totient is φ = 9281952.

The previous prime is 20110879. The next prime is 20110927. The reversal of 20110922 is 22901102.

It can be written as a sum of positive squares in 2 ways, for example, as 17547721 + 2563201 = 4189^2 + 1601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20110922.

It is not an unprimeable number, because it can be changed into a prime (20110927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386723 + ... + 386774.

Almost surely, 2^20110922 is an apocalyptic number.

20110922 is a deficient number, since it is larger than the sum of its proper divisors (12375994).

20110922 is a wasteful number, since it uses less digits than its factorization.

20110922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773512.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 20110922 is about 4484.5202641977. The cubic root of 20110922 is about 271.9426511879.

The spelling of 20110922 in words is "twenty million, one hundred ten thousand, nine hundred twenty-two".