20710233 has 24 divisors (see below), whose sum is σ = 31868928. Its totient is φ = 12915072.

The previous prime is 20710231. The next prime is 20710237. The reversal of 20710233 is 33201702.

It is not a de Polignac number, because 20710233 - 2¹ = 20710231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20710231) 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 23 ways as a sum of consecutive naturals, for example, 33816 + ... + 34422.

It is an arithmetic number, because the mean of its divisors is an integer number (1327872).

Almost surely, 2^20710233 is an apocalyptic number.

It is an amenable number.

20710233 is a deficient number, since it is larger than the sum of its proper divisors (11158695).

20710233 is a wasteful number, since it uses less digits than its factorization.

20710233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 20710233 is about 4550.8497008800. The cubic root of 20710233 is about 274.6175753204.

Adding to 20710233 its reverse (33201702), we get a palindrome (53911935).

It can be divided in two parts, 207 and 10233, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 20710233 in words is "twenty million, seven hundred ten thousand, two hundred thirty-three".