202020100202 has 8 divisors (see below), whose sum is σ = 320855453316. Its totient is φ = 95068282432.

The previous prime is 202020100193. The next prime is 202020100229. The reversal of 202020100202 is 202001020202.

It can be written as a sum of positive squares in 2 ways, for example, as 201788725681 + 231374521 = 449209^2 + 15211^2 .

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

It is a super-2 number, since 2×202020100202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970883793 + ... + 2970883860.

Almost surely, 2^202020100202 is an apocalyptic number.

202020100202 is a deficient number, since it is larger than the sum of its proper divisors (118835353114).

202020100202 is a wasteful number, since it uses less digits than its factorization.

202020100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941767672.

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

Adding to 202020100202 its reverse (202001020202), we get a palindrome (404021120404).

The spelling of 202020100202 in words is "two hundred two billion, twenty million, one hundred thousand, two hundred two".