20322107 has 4 divisors (see below), whose sum is σ = 21885360. Its totient is φ = 18758856.

The previous prime is 20322103. The next prime is 20322119. The reversal of 20322107 is 70122302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20322107 - 2² = 20322103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322103) 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, 781607 + ... + 781632.

It is an arithmetic number, because the mean of its divisors is an integer number (5471340).

Almost surely, 2^20322107 is an apocalyptic number.

20322107 is a deficient number, since it is larger than the sum of its proper divisors (1563253).

20322107 is a wasteful number, since it uses less digits than its factorization.

20322107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563252.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20322107 is about 4508.0047692965. The cubic root of 20322107 is about 272.8912294170.

Adding to 20322107 its reverse (70122302), we get a palindrome (90444409).

The spelling of 20322107 in words is "twenty million, three hundred twenty-two thousand, one hundred seven".