20226732 has 24 divisors (see below), whose sum is σ = 48201216. Its totient is φ = 6598608.

The previous prime is 20226721. The next prime is 20226737. The reversal of 20226732 is 23762202.

It is not an unprimeable number, because it can be changed into a prime (20226737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17368 + ... + 18495.

It is an arithmetic number, because the mean of its divisors is an integer number (2008384).

Almost surely, 2^20226732 is an apocalyptic number.

It is an amenable number.

20226732 is an abundant number, since it is smaller than the sum of its proper divisors (27974484).

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

20226732 is a wasteful number, since it uses less digits than its factorization.

20226732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35917 (or 35915 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20226732 is about 4497.4139235787. The cubic root of 20226732 is about 272.4636519709.

Adding to 20226732 its reverse (23762202), we get a palindrome (43988934).

The spelling of 20226732 in words is "twenty million, two hundred twenty-six thousand, seven hundred thirty-two".