20226260 has 96 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 6912000.

The previous prime is 20226247. The next prime is 20226281. The reversal of 20226260 is 6262202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200210 + ... + 200310.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 2^20226260 is an apocalyptic number.

20226260 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 20226260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24675840).

20226260 is an abundant number, since it is smaller than the sum of its proper divisors (29125420).

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

20226260 is a wasteful number, since it uses less digits than its factorization.

20226260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20226260 is about 4497.3614486719. The cubic root of 20226260 is about 272.4615325999.

Adding to 20226260 its reverse (6262202), we get a palindrome (26488462).

It can be divided in two parts, 202 and 26260, that added together give a palindrome (26462).

The spelling of 20226260 in words is "twenty million, two hundred twenty-six thousand, two hundred sixty".