200002020122 has 8 divisors (see below), whose sum is σ = 300758706516. Its totient is φ = 99749117952.

The previous prime is 200002020079. The next prime is 200002020149. The reversal of 200002020122 is 221020200002.

It can be written as a sum of positive squares in 2 ways, for example, as 191039800561 + 8962219561 = 437081^2 + 94669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125945063 + ... + 125946650.

Almost surely, 2^200002020122 is an apocalyptic number.

200002020122 is a deficient number, since it is larger than the sum of its proper divisors (100756686394).

200002020122 is a wasteful number, since it uses less digits than its factorization.

200002020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251892112.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200002020122 its reverse (221020200002), we get a palindrome (421022220124).

The spelling of 200002020122 in words is "two hundred billion, two million, twenty thousand, one hundred twenty-two".