20642060200 has 24 divisors (see below), whose sum is σ = 47992790430. Its totient is φ = 8256824000.

The previous prime is 20642060099. The next prime is 20642060207. The reversal of 20642060200 is 206024602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19248232644 + 1393827556 = 138738^2 + 37334^2 .

It is not an unprimeable number, because it can be changed into a prime (20642060207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51604951 + ... + 51605350.

Almost surely, 2^20642060200 is an apocalyptic number.

20642060200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20642060200 is an abundant number, since it is smaller than the sum of its proper divisors (27350730230).

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

20642060200 is a wasteful number, since it uses less digits than its factorization.

20642060200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103210317 (or 103210308 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20642060200 its reverse (206024602), we get a palindrome (20848084802).

The spelling of 20642060200 in words is "twenty billion, six hundred forty-two million, sixty thousand, two hundred".