20466422 has 8 divisors (see below), whose sum is σ = 30811296. Its totient is φ = 10195992.

The previous prime is 20466377. The next prime is 20466437. The reversal of 20466422 is 22466402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20466391 and 20466400.

It is a congruent number.

It is an unprimeable number.

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, 17918 + ... + 19025.

It is an arithmetic number, because the mean of its divisors is an integer number (3851412).

Almost surely, 2^20466422 is an apocalyptic number.

20466422 is a deficient number, since it is larger than the sum of its proper divisors (10344874).

20466422 is a wasteful number, since it uses less digits than its factorization.

20466422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37222.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20466422 is about 4523.9829796320. The cubic root of 20466422 is about 273.5356744204.

The spelling of 20466422 in words is "twenty million, four hundred sixty-six thousand, four hundred twenty-two".