20800802 has 16 divisors (see below), whose sum is σ = 34206624. Its totient is φ = 9408000.

The previous prime is 20800739. The next prime is 20800807.

20800802 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (20800807) 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, 2402 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (2137914).

Almost surely, 2^20800802 is an apocalyptic number.

20800802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20800802 is a deficient number, since it is larger than the sum of its proper divisors (13405822).

20800802 is a wasteful number, since it uses less digits than its factorization.

20800802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20800802 is about 4560.7896246155. The cubic root of 20800802 is about 275.0173080016.

The spelling of 20800802 in words is "twenty million, eight hundred thousand, eight hundred two".