20212230020 has 96 divisors (see below), whose sum is σ = 47246976000. Its totient is φ = 7231334400.

The previous prime is 20212229957. The next prime is 20212230067. The reversal of 20212230020 is 2003221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212229977 and 20212230004.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 462056 + ... + 503904.

It is an arithmetic number, because the mean of its divisors is an integer number (492156000).

Almost surely, 2^20212230020 is an apocalyptic number.

20212230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23623488000).

20212230020 is an abundant number, since it is smaller than the sum of its proper divisors (27034745980).

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

20212230020 is a wasteful number, since it uses less digits than its factorization.

20212230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41949 (or 41947 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20212230020 its reverse (2003221202), we get a palindrome (22215451222).

The spelling of 20212230020 in words is "twenty billion, two hundred twelve million, two hundred thirty thousand, twenty".