22010211020 has 144 divisors (see below), whose sum is σ = 54719945280. Its totient is φ = 7413590016.

The previous prime is 22010211001. The next prime is 22010211023. The reversal of 22010211020 is 2011201022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010210992 and 22010211010.

It is not an unprimeable number, because it can be changed into a prime (22010211023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25682432 + ... + 25683288.

It is an arithmetic number, because the mean of its divisors is an integer number (379999620).

Almost surely, 2^22010211020 is an apocalyptic number.

22010211020 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 22010211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27359972640).

22010211020 is an abundant number, since it is smaller than the sum of its proper divisors (32709734260).

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

22010211020 is a wasteful number, since it uses less digits than its factorization.

22010211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22010211020 its reverse (2011201022), we get a palindrome (24021412042).

The spelling of 22010211020 in words is "twenty-two billion, ten million, two hundred eleven thousand, twenty".