20020202020202 has 8 divisors (see below), whose sum is σ = 30032031246276. Its totient is φ = 10009524938112.

The previous prime is 20020202020193. The next prime is 20020202020207. The reversal of 20020202020202 is 20202020202002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16049870800441 + 3970331219761 = 4006229^2 + 1992569^2 .

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

It is a super-2 number, since 2×20020202020202² (a number of 27 digits) contains 22 as substring.

20020202020202 is a modest number, since divided by 2020202 gives 200202 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20020202020207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287992553 + ... + 288062060.

Almost surely, 2^{20020202020202} is an apocalyptic number.

20020202020202 is a deficient number, since it is larger than the sum of its proper divisors (10011829226074).

20020202020202 is a wasteful number, since it uses less digits than its factorization.

20020202020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576071992.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20020202020202 its reverse (20202020202002), we get a palindrome (40222222222204).

The spelling of 20020202020202 in words is "twenty trillion, twenty billion, two hundred two million, twenty thousand, two hundred two".