202020210020 has 24 divisors (see below), whose sum is σ = 424328683968. Its totient is φ = 80791656800.

The previous prime is 202020210013. The next prime is 202020210023. The reversal of 202020210020 is 20012020202.

202020210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202020209983 and 202020210010.

It is not an unprimeable number, because it can be changed into a prime (202020210023) 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, 925616 + ... + 1122855.

It is an arithmetic number, because the mean of its divisors is an integer number (17680361832).

Almost surely, 2^202020210020 is an apocalyptic number.

202020210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020210020 is an abundant number, since it is smaller than the sum of its proper divisors (222308473948).

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

202020210020 is a wasteful number, since it uses less digits than its factorization.

202020210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053411 (or 2053409 counting only the distinct ones).

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

Adding to 202020210020 its reverse (20012020202), we get a palindrome (222032230222).

The spelling of 202020210020 in words is "two hundred two billion, twenty million, two hundred ten thousand, twenty".