20672422 has 16 divisors (see below), whose sum is σ = 31882752. Its totient is φ = 10047240.

The previous prime is 20672419. The next prime is 20672441. The reversal of 20672422 is 22427602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22863 + ... + 23749.

It is an arithmetic number, because the mean of its divisors is an integer number (1992672).

Almost surely, 2^20672422 is an apocalyptic number.

20672422 is a deficient number, since it is larger than the sum of its proper divisors (11210330).

20672422 is a wasteful number, since it uses less digits than its factorization.

20672422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20672422 is about 4546.6935238698. The cubic root of 20672422 is about 274.4503489593.

It can be divided in two parts, 2067 and 2422, that added together give a square (4489 = 67²).

The spelling of 20672422 in words is "twenty million, six hundred seventy-two thousand, four hundred twenty-two".