20206802 has 16 divisors (see below), whose sum is σ = 37789632. Its totient is φ = 7872720.

The previous prime is 20206801. The next prime is 20206807. The reversal of 20206802 is 20860202.

It is not an unprimeable number, because it can be changed into a prime (20206801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65453 + ... + 65760.

It is an arithmetic number, because the mean of its divisors is an integer number (2361852).

Almost surely, 2^20206802 is an apocalyptic number.

20206802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20206802 is a deficient number, since it is larger than the sum of its proper divisors (17582830).

20206802 is a wasteful number, since it uses less digits than its factorization.

20206802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131233.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20206802 is about 4495.1976597253. The cubic root of 20206802 is about 272.3741337189.

The spelling of 20206802 in words is "twenty million, two hundred six thousand, eight hundred two".