20200863 has 8 divisors (see below), whose sum is σ = 26960688. Its totient is φ = 13454144.

The previous prime is 20200847. The next prime is 20200883. The reversal of 20200863 is 36800202.

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 20200863 - 2⁴ = 20200847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200813) 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, 1195 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (3370086).

Almost surely, 2^20200863 is an apocalyptic number.

20200863 is a deficient number, since it is larger than the sum of its proper divisors (6759825).

20200863 is a wasteful number, since it uses less digits than its factorization.

20200863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20200863 is about 4494.5370173134. The cubic root of 20200863 is about 272.3474465257.

The spelling of 20200863 in words is "twenty million, two hundred thousand, eight hundred sixty-three".