20020202202021 has 8 divisors (see below), whose sum is σ = 30506974784064. Its totient is φ = 11440115544000.

The previous prime is 20020202202019. The next prime is 20020202202043. The reversal of 20020202202021 is 12020220202002.

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

It is not a de Polignac number, because 20020202202021 - 2¹ = 20020202202019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020202202521) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 476671480980 + ... + 476671481021.

It is an arithmetic number, because the mean of its divisors is an integer number (3813371848008).

Almost surely, 2^{20020202202021} is an apocalyptic number.

20020202202021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20020202202021 is a deficient number, since it is larger than the sum of its proper divisors (10486772582043).

20020202202021 is an equidigital number, since it uses as much as digits as its factorization.

20020202202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953342962011.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20020202202021 its reverse (12020220202002), we get a palindrome (32040422404023).

The spelling of 20020202202021 in words is "twenty trillion, twenty billion, two hundred two million, two hundred two thousand, twenty-one".