20033497 has 16 divisors (see below), whose sum is σ = 23328000. Its totient is φ = 17002240.

The previous prime is 20033491. The next prime is 20033527. The reversal of 20033497 is 79433002.

It is a cyclic number.

It is not a de Polignac number, because 20033497 - 2⁷ = 20033369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27504 + ... + 28222.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000).

Almost surely, 2^20033497 is an apocalyptic number.

It is an amenable number.

20033497 is a deficient number, since it is larger than the sum of its proper divisors (3294503).

20033497 is a wasteful number, since it uses less digits than its factorization.

20033497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20033497 is about 4475.8794666523. The cubic root of 20033497 is about 271.5932185466.

Adding to 20033497 its reverse (79433002), we get a palindrome (99466499).

The spelling of 20033497 in words is "twenty million, thirty-three thousand, four hundred ninety-seven".