11000022020 has 96 divisors (see below), whose sum is σ = 26306574336. Its totient is φ = 3834547200.

The previous prime is 11000021971. The next prime is 11000022037. The reversal of 11000022020 is 2022000011.

It is a junction number, because it is equal to n+sod(n) for n = 11000021989 and 11000022007.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 313817 + ... + 347103.

It is an arithmetic number, because the mean of its divisors is an integer number (274026816).

Almost surely, 2^11000022020 is an apocalyptic number.

11000022020 is a gapful number since it is divisible by the number (10) 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 11000022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13153287168).

11000022020 is an abundant number, since it is smaller than the sum of its proper divisors (15306552316).

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

11000022020 is a wasteful number, since it uses less digits than its factorization.

11000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33381 (or 33379 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 11000022020 its reverse (2022000011), we get a palindrome (13022022031).

The spelling of 11000022020 in words is "eleven billion, twenty-two thousand, twenty".