20132495 has 16 divisors (see below), whose sum is σ = 25818240. Its totient is φ = 15025824.

The previous prime is 20132491. The next prime is 20132503. The reversal of 20132495 is 59423102.

It is a cyclic number.

It is not a de Polignac number, because 20132495 - 2² = 20132491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132491) by changing a digit.

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, 4784 + ... + 7946.

It is an arithmetic number, because the mean of its divisors is an integer number (1613640).

Almost surely, 2^20132495 is an apocalyptic number.

20132495 is a deficient number, since it is larger than the sum of its proper divisors (5685745).

20132495 is a wasteful number, since it uses less digits than its factorization.

20132495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20132495 is about 4486.9248935100. The cubic root of 20132495 is about 272.0398541299.

Adding to 20132495 its reverse (59423102), we get a palindrome (79555597).

The spelling of 20132495 in words is "twenty million, one hundred thirty-two thousand, four hundred ninety-five".