20549922 has 32 divisors (see below), whose sum is σ = 43027200. Its totient is φ = 6534528.

The previous prime is 20549909. The next prime is 20549933. The reversal of 20549922 is 22994502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14823 + ... + 16149.

It is an arithmetic number, because the mean of its divisors is an integer number (1344600).

Almost surely, 2^20549922 is an apocalyptic number.

20549922 is an abundant number, since it is smaller than the sum of its proper divisors (22477278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20549922 is a wasteful number, since it uses less digits than its factorization.

20549922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20549922 is about 4533.2021794753. The cubic root of 20549922 is about 273.9071648130.

The spelling of 20549922 in words is "twenty million, five hundred forty-nine thousand, nine hundred twenty-two".