20464022 has 8 divisors (see below), whose sum is σ = 32501736. Its totient is φ = 9630112.

The previous prime is 20464009. The next prime is 20464027. The reversal of 20464022 is 22046402.

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 = 20463985 and 20464003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20464027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300908 + ... + 300975.

It is an arithmetic number, because the mean of its divisors is an integer number (4062717).

Almost surely, 2^20464022 is an apocalyptic number.

20464022 is a deficient number, since it is larger than the sum of its proper divisors (12037714).

20464022 is a wasteful number, since it uses less digits than its factorization.

20464022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601902.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20464022 is about 4523.7177188680. The cubic root of 20464022 is about 273.5249819264.

The spelling of 20464022 in words is "twenty million, four hundred sixty-four thousand, twenty-two".