20896903 has 8 divisors (see below), whose sum is σ = 22953600. Its totient is φ = 18935928.

The previous prime is 20896901. The next prime is 20896919. The reversal of 20896903 is 30969802.

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 20896903 - 2¹ = 20896901 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 (20896901) 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, 23473 + ... + 24346.

It is an arithmetic number, because the mean of its divisors is an integer number (2869200).

Almost surely, 2^20896903 is an apocalyptic number.

20896903 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20896903 is a deficient number, since it is larger than the sum of its proper divisors (2056697).

20896903 is a wasteful number, since it uses less digits than its factorization.

20896903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47861.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 20896903 is about 4571.3130498797. The cubic root of 20896903 is about 275.4401897825.

The spelling of 20896903 in words is "twenty million, eight hundred ninety-six thousand, nine hundred three".