20800202 has 8 divisors (see below), whose sum is σ = 31961412. Its totient is φ = 10146400.

The previous prime is 20800201. The next prime is 20800229. The reversal of 20800202 is 20200802.

It can be written as a sum of positive squares in 2 ways, for example, as 19456921 + 1343281 = 4411^2 + 1159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20800201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126749 + ... + 126912.

Almost surely, 2^20800202 is an apocalyptic number.

20800202 is a deficient number, since it is larger than the sum of its proper divisors (11161210).

20800202 is a wasteful number, since it uses less digits than its factorization.

20800202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253704.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20800202 is about 4560.7238460578. The cubic root of 20800202 is about 275.0146636809.

The spelling of 20800202 in words is "twenty million, eight hundred thousand, two hundred two".