20879342022 has 192 divisors, whose sum is σ = 56775720960. Its totient is φ = 4954089600.

The previous prime is 20879342021. The next prime is 20879342069. The reversal of 20879342022 is 22024397802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20879342021) 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 95 ways as a sum of consecutive naturals, for example, 75376548 + ... + 75376824.

It is an arithmetic number, because the mean of its divisors is an integer number (295706880).

Almost surely, 2^20879342022 is an apocalyptic number.

20879342022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20879342022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28387860480).

20879342022 is an abundant number, since it is smaller than the sum of its proper divisors (35896378938).

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

20879342022 is a wasteful number, since it uses less digits than its factorization.

20879342022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20879342022 in words is "twenty billion, eight hundred seventy-nine million, three hundred forty-two thousand, twenty-two".