20226733 has 4 divisors (see below), whose sum is σ = 20269440. Its totient is φ = 20184028.

The previous prime is 20226721. The next prime is 20226737. The reversal of 20226733 is 33762202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20226733 - 2⁹ = 20226221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20226698 and 20226707.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20635 + ... + 21592.

It is an arithmetic number, because the mean of its divisors is an integer number (5067360).

Almost surely, 2^20226733 is an apocalyptic number.

It is an amenable number.

20226733 is a deficient number, since it is larger than the sum of its proper divisors (42707).

20226733 is an equidigital number, since it uses as much as digits as its factorization.

20226733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42706.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20226733 is about 4497.4140347537. The cubic root of 20226733 is about 272.4636564610.

Adding to 20226733 its reverse (33762202), we get a palindrome (53988935).

The spelling of 20226733 in words is "twenty million, two hundred twenty-six thousand, seven hundred thirty-three".