203022120200 has 24 divisors (see below), whose sum is σ = 472026429930. Its totient is φ = 81208848000.

The previous prime is 203022120199. The next prime is 203022120221. The reversal of 203022120200 is 2021220302.

It can be written as a sum of positive squares in 3 ways, for example, as 89246782564 + 113775337636 = 298742^2 + 337306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507555101 + ... + 507555500.

Almost surely, 2^203022120200 is an apocalyptic number.

203022120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203022120200 is an abundant number, since it is smaller than the sum of its proper divisors (269004309730).

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

203022120200 is a wasteful number, since it uses less digits than its factorization.

203022120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015110617 (or 1015110608 counting only the distinct ones).

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

Adding to 203022120200 its reverse (2021220302), we get a palindrome (205043340502).

The spelling of 203022120200 in words is "two hundred three billion, twenty-two million, one hundred twenty thousand, two hundred".