22026020 has 24 divisors (see below), whose sum is σ = 47384568. Its totient is φ = 8595200.

The previous prime is 22026013. The next prime is 22026031. The reversal of 22026020 is 2062022.

It can be written as a sum of positive squares in 4 ways, for example, as 1577536 + 20448484 = 1256^2 + 4522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22025986 and 22026004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12611 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (1974357).

Almost surely, 2^22026020 is an apocalyptic number.

22026020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22026020 is an abundant number, since it is smaller than the sum of its proper divisors (25358548).

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

22026020 is a wasteful number, since it uses less digits than its factorization.

22026020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911 (or 26909 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22026020 is about 4693.1886814830. The cubic root of 22026020 is about 280.3143578207.

Adding to 22026020 its reverse (2062022), we get a palindrome (24088042).

The spelling of 22026020 in words is "twenty-two million, twenty-six thousand, twenty".