20468963 has 8 divisors (see below), whose sum is σ = 21180096. Its totient is φ = 19768000.

The previous prime is 20468957. The next prime is 20468999. The reversal of 20468963 is 36986402.

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 20468963 - 2¹⁸ = 20206819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468953) 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, 1670 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (2647512).

Almost surely, 2^20468963 is an apocalyptic number.

20468963 is a deficient number, since it is larger than the sum of its proper divisors (711133).

20468963 is a wasteful number, since it uses less digits than its factorization.

20468963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 20468963 is about 4524.2638075161. The cubic root of 20468963 is about 273.5469941874.

The spelling of 20468963 in words is "twenty million, four hundred sixty-eight thousand, nine hundred sixty-three".