200000020202 has 4 divisors (see below), whose sum is σ = 300000030306. Its totient is φ = 100000010100.

The previous prime is 200000020189. The next prime is 200000020217. The reversal of 200000020202 is 202020000002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202020000002 = 2 ⋅101010000001.

It can be written as a sum of positive squares in only one way, i.e., 156777194401 + 43222825801 = 395951^2 + 207901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200000020202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000005049 + ... + 50000005052.

Almost surely, 2^200000020202 is an apocalyptic number.

200000020202 is a deficient number, since it is larger than the sum of its proper divisors (100000010104).

200000020202 is a wasteful number, since it uses less digits than its factorization.

200000020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000010103.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 200000020202 its reverse (202020000002), we get a palindrome (402020020204).

It can be divided in two parts, 2000000 and 20202, that added together give a palindrome (2020202).

The spelling of 200000020202 in words is "two hundred billion, twenty thousand, two hundred two".