20226923 has 8 divisors (see below), whose sum is σ = 21689280. Its totient is φ = 18794880.

The previous prime is 20226919. The next prime is 20226953. The reversal of 20226923 is 32962202.

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

It is a cyclic number.

It is not a de Polignac number, because 20226923 - 2² = 20226919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20226892 and 20226901.

It is not an unprimeable number, because it can be changed into a prime (20226953) 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 7 ways as a sum of consecutive naturals, for example, 6188 + ... + 8873.

It is an arithmetic number, because the mean of its divisors is an integer number (2711160).

Almost surely, 2^20226923 is an apocalyptic number.

20226923 is a deficient number, since it is larger than the sum of its proper divisors (1462357).

20226923 is a wasteful number, since it uses less digits than its factorization.

20226923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15157.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20226923 is about 4497.4351579539. The cubic root of 20226923 is about 272.4645095883.

The spelling of 20226923 in words is "twenty million, two hundred twenty-six thousand, nine hundred twenty-three".