202002242020 has 12 divisors (see below), whose sum is σ = 424204708284. Its totient is φ = 80800896800.

The previous prime is 202002241949. The next prime is 202002242027. The reversal of 202002242020 is 20242200202.

It can be written as a sum of positive squares in 2 ways, for example, as 157297905664 + 44704336356 = 396608^2 + 211434^2 .

It is a super-2 number, since 2×202002242020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202002241985 and 202002242003.

It is not an unprimeable number, because it can be changed into a prime (202002242027) by changing a digit.

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, 5050056031 + ... + 5050056070.

It is an arithmetic number, because the mean of its divisors is an integer number (35350392357).

Almost surely, 2^202002242020 is an apocalyptic number.

202002242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002242020 is an abundant number, since it is smaller than the sum of its proper divisors (222202466264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202002242020 is a wasteful number, since it uses less digits than its factorization.

202002242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100112110 (or 10100112108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202002242020 its reverse (20242200202), we get a palindrome (222244442222).

The spelling of 202002242020 in words is "two hundred two billion, two million, two hundred forty-two thousand, twenty".