20322401 has 8 divisors (see below), whose sum is σ = 22483008. Its totient is φ = 18214000.

The previous prime is 20322383. The next prime is 20322427. The reversal of 20322401 is 10422302.

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

It is a cyclic number.

It is not a de Polignac number, because 20322401 - 2¹⁰ = 20321377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12230 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (2810376).

Almost surely, 2^20322401 is an apocalyptic number.

It is an amenable number.

20322401 is a deficient number, since it is larger than the sum of its proper divisors (2160607).

20322401 is a wasteful number, since it uses less digits than its factorization.

20322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26103.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20322401 is about 4508.0373778397. The cubic root of 20322401 is about 272.8925453835.

Adding to 20322401 its reverse (10422302), we get a palindrome (30744703).

Subtracting from 20322401 its reverse (10422302), we obtain a palindrome (9900099).

The spelling of 20322401 in words is "twenty million, three hundred twenty-two thousand, four hundred one".