20430795 has 96 divisors (see below), whose sum is σ = 43891200. Its totient is φ = 8043840.

The previous prime is 20430793. The next prime is 20430799. The reversal of 20430795 is 59703402.

It is not a de Polignac number, because 20430795 - 2¹ = 20430793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430793) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1075296 + ... + 1075314.

It is an arithmetic number, because the mean of its divisors is an integer number (457200).

Almost surely, 2^20430795 is an apocalyptic number.

20430795 is an abundant number, since it is smaller than the sum of its proper divisors (23460405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430795 is a wasteful number, since it uses less digits than its factorization.

20430795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20430795 is about 4520.0436944791. The cubic root of 20430795 is about 273.3768628208.

It can be divided in two parts, 204307 and 95, that added together give a palindrome (204402).

The spelling of 20430795 in words is "twenty million, four hundred thirty thousand, seven hundred ninety-five".