20296253 has 8 divisors (see below), whose sum is σ = 20706816. Its totient is φ = 19890000.

The previous prime is 20296247. The next prime is 20296261. The reversal of 20296253 is 35269202.

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 20296253 - 2¹⁴ = 20279869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20296153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9428 + ... + 11378.

It is an arithmetic number, because the mean of its divisors is an integer number (2588352).

Almost surely, 2^20296253 is an apocalyptic number.

It is an amenable number.

20296253 is a deficient number, since it is larger than the sum of its proper divisors (410563).

20296253 is a wasteful number, since it uses less digits than its factorization.

20296253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20296253 is about 4505.1362909461. The cubic root of 20296253 is about 272.7754552683.

The spelling of 20296253 in words is "twenty million, two hundred ninety-six thousand, two hundred fifty-three".