20206112200 has 48 divisors (see below), whose sum is σ = 47865636180. Its totient is φ = 7929941760.

The previous prime is 20206112167. The next prime is 20206112203. The reversal of 20206112200 is 221160202.

It can be written as a sum of positive squares in 6 ways, for example, as 13100633764 + 7105478436 = 114458^2 + 84294^2 .

It is not an unprimeable number, because it can be changed into a prime (20206112203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942519 + ... + 963718.

Almost surely, 2^20206112200 is an apocalyptic number.

20206112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20206112200 is an abundant number, since it is smaller than the sum of its proper divisors (27659523980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20206112200 is a wasteful number, since it uses less digits than its factorization.

20206112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906306 (or 1906297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20206112200 its reverse (221160202), we get a palindrome (20427272402).

The spelling of 20206112200 in words is "twenty billion, two hundred six million, one hundred twelve thousand, two hundred".