20212320200 has 24 divisors (see below), whose sum is σ = 46993644930. Its totient is φ = 8084928000.

The previous prime is 20212320173. The next prime is 20212320229. The reversal of 20212320200 is 202321202.

It can be written as a sum of positive squares in 3 ways, for example, as 19018064836 + 1194255364 = 137906^2 + 34558^2 .

It is an unprimeable number.

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, 50530601 + ... + 50531000.

Almost surely, 2^20212320200 is an apocalyptic number.

20212320200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212320200 is an abundant number, since it is smaller than the sum of its proper divisors (26781324730).

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

20212320200 is a wasteful number, since it uses less digits than its factorization.

20212320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061617 (or 101061608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20212320200 its reverse (202321202), we get a palindrome (20414641402).

The spelling of 20212320200 in words is "twenty billion, two hundred twelve million, three hundred twenty thousand, two hundred".