22301011020 has 96 divisors (see below), whose sum is σ = 64935198720. Its totient is φ = 5711722240.

The previous prime is 22301011013. The next prime is 22301011039. The reversal of 22301011020 is 2011010322.

It is a super-2 number, since 2×22301011020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22301010987 and 22301011005.

It is an unprimeable number.

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, 298789 + ... + 365891.

It is an arithmetic number, because the mean of its divisors is an integer number (676408320).

Almost surely, 2^22301011020 is an apocalyptic number.

22301011020 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 22301011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32467599360).

22301011020 is an abundant number, since it is smaller than the sum of its proper divisors (42634187700).

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

22301011020 is a wasteful number, since it uses less digits than its factorization.

22301011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67335 (or 67333 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22301011020 its reverse (2011010322), we get a palindrome (24312021342).

The spelling of 22301011020 in words is "twenty-two billion, three hundred one million, eleven thousand, twenty".