20296237 has 8 divisors (see below), whose sum is σ = 23008160. Its totient is φ = 17748720.

The previous prime is 20296231. The next prime is 20296247. The reversal of 20296237 is 73269202.

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 20296237 - 2³ = 20296229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20296199 and 20296208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20296231) 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, 40839 + ... + 41332.

It is an arithmetic number, because the mean of its divisors is an integer number (2876020).

Almost surely, 2^20296237 is an apocalyptic number.

It is an amenable number.

20296237 is a deficient number, since it is larger than the sum of its proper divisors (2711923).

20296237 is a wasteful number, since it uses less digits than its factorization.

20296237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82203.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20296237 is about 4505.1345151949. The cubic root of 20296237 is about 272.7753835899.

The spelling of 20296237 in words is "twenty million, two hundred ninety-six thousand, two hundred thirty-seven".