20202010120202 has 4 divisors (see below), whose sum is σ = 30303015180306. Its totient is φ = 10101005060100.

The previous prime is 20202010120199. The next prime is 20202010120213. The reversal of 20202010120202 is 20202101020202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19975366523161 + 226643597041 = 4469381^2 + 476071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050502530049 + ... + 5050502530052.

Almost surely, 2^{20202010120202} is an apocalyptic number.

20202010120202 is a deficient number, since it is larger than the sum of its proper divisors (10101005060104).

20202010120202 is a wasteful number, since it uses less digits than its factorization.

20202010120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101005060103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202010120202 its reverse (20202101020202), we get a palindrome (40404111140404).

The spelling of 20202010120202 in words is "twenty trillion, two hundred two billion, ten million, one hundred twenty thousand, two hundred two".