201020020202 has 8 divisors (see below), whose sum is σ = 308884421412. Its totient is φ = 98058546400.

The previous prime is 201020020193. The next prime is 201020020259. The reversal of 201020020202 is 202020020102.

It can be written as a sum of positive squares in 2 ways, for example, as 196666527841 + 4353492361 = 443471^2 + 65981^2 .

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, 1225731749 + ... + 1225731912.

Almost surely, 2^201020020202 is an apocalyptic number.

201020020202 is a deficient number, since it is larger than the sum of its proper divisors (107864401210).

201020020202 is a wasteful number, since it uses less digits than its factorization.

201020020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451463704.

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

Adding to 201020020202 its reverse (202020020102), we get a palindrome (403040040304).

The spelling of 201020020202 in words is "two hundred one billion, twenty million, twenty thousand, two hundred two".