20021122060 has 24 divisors (see below), whose sum is σ = 42837648336. Its totient is φ = 7857345600.

The previous prime is 20021122021. The next prime is 20021122061. The reversal of 20021122060 is 6022112002.

It is not an unprimeable number, because it can be changed into a prime (20021122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442866 + ... + 9444985.

It is an arithmetic number, because the mean of its divisors is an integer number (1784902014).

Almost surely, 2^20021122060 is an apocalyptic number.

20021122060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021122060 is an abundant number, since it is smaller than the sum of its proper divisors (22816526276).

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

20021122060 is a wasteful number, since it uses less digits than its factorization.

20021122060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887913 (or 18887911 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20021122060 its reverse (6022112002), we get a palindrome (26043234062).

The spelling of 20021122060 in words is "twenty billion, twenty-one million, one hundred twenty-two thousand, sixty".