22050778020 has 96 divisors (see below), whose sum is σ = 63913328640. Its totient is φ = 5674500480.

The previous prime is 22050778007. The next prime is 22050778037. The reversal of 22050778020 is 2087705022.

It is a super-2 number, since 2×22050778020² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651229 + ... + 684251.

It is an arithmetic number, because the mean of its divisors is an integer number (665763840).

Almost surely, 2^22050778020 is an apocalyptic number.

22050778020 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 22050778020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31956664320).

22050778020 is an abundant number, since it is smaller than the sum of its proper divisors (41862550620).

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

22050778020 is a wasteful number, since it uses less digits than its factorization.

22050778020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33425 (or 33423 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 22050778020 in words is "twenty-two billion, fifty million, seven hundred seventy-eight thousand, twenty".