20464922 has 8 divisors (see below), whose sum is σ = 31527156. Its totient is φ = 9955872.

The previous prime is 20464909. The next prime is 20464937. The reversal of 20464922 is 22946402.

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 919681 = 4421^2 + 959^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138203 + ... + 138350.

Almost surely, 2^20464922 is an apocalyptic number.

20464922 is a deficient number, since it is larger than the sum of its proper divisors (11062234).

20464922 is a wasteful number, since it uses less digits than its factorization.

20464922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276592.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20464922 is about 4523.8171934772. The cubic root of 20464922 is about 273.5289917096.

The spelling of 20464922 in words is "twenty million, four hundred sixty-four thousand, nine hundred twenty-two".