22336020 has 192 divisors, whose sum is σ = 83865600. Its totient is φ = 4821120.

The previous prime is 22336019. The next prime is 22336031. The reversal of 22336020 is 2063322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22335984 and 22336002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71665 + ... + 71975.

It is an arithmetic number, because the mean of its divisors is an integer number (436800).

Almost surely, 2^22336020 is an apocalyptic number.

22336020 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 22336020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41932800).

22336020 is an abundant number, since it is smaller than the sum of its proper divisors (61529580).

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

22336020 is a wasteful number, since it uses less digits than its factorization.

22336020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22336020 is about 4726.0998719875. The cubic root of 22336020 is about 281.6233087251.

Adding to 22336020 its reverse (2063322), we get a palindrome (24399342).

The spelling of 22336020 in words is "twenty-two million, three hundred thirty-six thousand, twenty".