200021203210 has 48 divisors (see below), whose sum is σ = 382741922520. Its totient is φ = 75247124480.

The previous prime is 200021203181. The next prime is 200021203241. The reversal of 200021203210 is 12302120002.

It can be written as a sum of positive squares in 12 ways, for example, as 34257609 + 199986945601 = 5853^2 + 447199^2 .

It is a super-2 number, since 2×200021203210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4047450 + ... + 4096570.

Almost surely, 2^200021203210 is an apocalyptic number.

200021203210 is a deficient number, since it is larger than the sum of its proper divisors (182720719310).

200021203210 is a wasteful number, since it uses less digits than its factorization.

200021203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50571 (or 50554 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200021203210 its reverse (12302120002), we get a palindrome (212323323212).

The spelling of 200021203210 in words is "two hundred billion, twenty-one million, two hundred three thousand, two hundred ten".