20352495 has 16 divisors (see below), whose sum is σ = 32646240. Its totient is φ = 10827264.

The previous prime is 20352469. The next prime is 20352499. The reversal of 20352495 is 59425302.

It is not a de Polignac number, because 20352495 - 2¹⁸ = 20090351 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5371 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (2040390).

Almost surely, 2^20352495 is an apocalyptic number.

20352495 is a deficient number, since it is larger than the sum of its proper divisors (12293745).

20352495 is a wasteful number, since it uses less digits than its factorization.

20352495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 20352495 is about 4511.3739592279. The cubic root of 20352495 is about 273.0271813428.

Adding to 20352495 its reverse (59425302), we get a palindrome (79777797).

The spelling of 20352495 in words is "twenty million, three hundred fifty-two thousand, four hundred ninety-five".