202201020021020 has 24 divisors (see below), whose sum is σ = 424622920803984. Its totient is φ = 80880259673216.

The previous prime is 202201020021019. The next prime is 202201020021061. The reversal of 202201020021020 is 20120020102202.

202201020021020 is digitally balanced in base 3, 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 = 202201020020986 and 202201020021004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256344 + ... + 20235936.

It is an arithmetic number, because the mean of its divisors is an integer number (17692621700166).

Almost surely, 2^{202201020021020} is an apocalyptic number.

202201020021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201020021020 is an abundant number, since it is smaller than the sum of its proper divisors (222421900782964).

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

202201020021020 is a wasteful number, since it uses less digits than its factorization.

202201020021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541909 (or 18541907 counting only the distinct ones).

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

Adding to 202201020021020 its reverse (20120020102202), we get a palindrome (222321040123222).

The spelling of 202201020021020 in words is "two hundred two trillion, two hundred one billion, twenty million, twenty-one thousand, twenty".