22240134020 has 96 divisors (see below), whose sum is σ = 50754090240. Its totient is φ = 8137428480.

The previous prime is 22240134019. The next prime is 22240134023. The reversal of 22240134020 is 2043104222.

It is a super-2 number, since 2×22240134020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22240133983 and 22240134001.

It is not an unprimeable number, because it can be changed into a prime (22240134023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21570905 + ... + 21571935.

It is an arithmetic number, because the mean of its divisors is an integer number (528688440).

Almost surely, 2^22240134020 is an apocalyptic number.

22240134020 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 22240134020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25377045120).

22240134020 is an abundant number, since it is smaller than the sum of its proper divisors (28513956220).

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

22240134020 is a wasteful number, since it uses less digits than its factorization.

22240134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22240134020 its reverse (2043104222), we get a palindrome (24283238242).

The spelling of 22240134020 in words is "twenty-two billion, two hundred forty million, one hundred thirty-four thousand, twenty".