20295237 has 8 divisors (see below), whose sum is σ = 27571104. Its totient is φ = 13274768.

The previous prime is 20295227. The next prime is 20295239. The reversal of 20295237 is 73259202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20295237 - 2¹⁸ = 20033093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20295239) 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 7 ways as a sum of consecutive naturals, for example, 63663 + ... + 63980.

It is an arithmetic number, because the mean of its divisors is an integer number (3446388).

Almost surely, 2^20295237 is an apocalyptic number.

It is an amenable number.

20295237 is a deficient number, since it is larger than the sum of its proper divisors (7275867).

20295237 is a wasteful number, since it uses less digits than its factorization.

20295237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127699.

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

The square root of 20295237 is about 4505.0235293503. The cubic root of 20295237 is about 272.7709036155.

The spelling of 20295237 in words is "twenty million, two hundred ninety-five thousand, two hundred thirty-seven".