20252395 has 16 divisors (see below), whose sum is σ = 24960960. Its totient is φ = 15769600.

The previous prime is 20252381. The next prime is 20252447. The reversal of 20252395 is 59325202.

It is not a de Polignac number, because 20252395 - 2⁵ = 20252363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31275 + ... + 31915.

It is an arithmetic number, because the mean of its divisors is an integer number (1560060).

Almost surely, 2^20252395 is an apocalyptic number.

20252395 is a deficient number, since it is larger than the sum of its proper divisors (4708565).

20252395 is an equidigital number, since it uses as much as digits as its factorization.

20252395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 20252395 is about 4500.2661032432. The cubic root of 20252395 is about 272.5788341897.

Adding to 20252395 its reverse (59325202), we get a palindrome (79577597).

The spelling of 20252395 in words is "twenty million, two hundred fifty-two thousand, three hundred ninety-five".