20422095 has 16 divisors (see below), whose sum is σ = 32743392. Its totient is φ = 10869120.

The previous prime is 20422081. The next prime is 20422097. The reversal of 20422095 is 59022402.

It is not a de Polignac number, because 20422095 - 2⁴ = 20422079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8085 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (2046462).

Almost surely, 2^20422095 is an apocalyptic number.

20422095 is a deficient number, since it is larger than the sum of its proper divisors (12321297).

20422095 is a wasteful number, since it uses less digits than its factorization.

20422095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20422095 is about 4519.0812119279. The cubic root of 20422095 is about 273.3380534911.

Adding to 20422095 its reverse (59022402), we get a palindrome (79444497).

The spelling of 20422095 in words is "twenty million, four hundred twenty-two thousand, ninety-five".