20430095 has 32 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 13052160.

The previous prime is 20430083. The next prime is 20430121. The reversal of 20430095 is 59003402.

It is not a de Polignac number, because 20430095 - 2⁴ = 20430079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20430095.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32696 + ... + 33314.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^20430095 is an apocalyptic number.

20430095 is a deficient number, since it is larger than the sum of its proper divisors (9567985).

20430095 is a wasteful number, since it uses less digits than its factorization.

20430095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20430095 is about 4519.9662609360. The cubic root of 20430095 is about 273.3737406387.

Adding to 20430095 its reverse (59003402), we get a palindrome (79433497).

The spelling of 20430095 in words is "twenty million, four hundred thirty thousand, ninety-five".