20968043022 has 64 divisors (see below), whose sum is σ = 47436691200. Its totient is φ = 6863836320.

The previous prime is 20968043017. The next prime is 20968043023. The reversal of 20968043022 is 22034086902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20968043023) by changing a digit.

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, 1188804 + ... + 1206312.

It is an arithmetic number, because the mean of its divisors is an integer number (741198300).

Almost surely, 2^20968043022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20968043022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23718345600).

20968043022 is an abundant number, since it is smaller than the sum of its proper divisors (26468648178).

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

20968043022 is a wasteful number, since it uses less digits than its factorization.

20968043022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17918 (or 17912 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 20968043022 in words is "twenty billion, nine hundred sixty-eight million, forty-three thousand, twenty-two".