20250733 has 2 divisors, whose sum is σ = 20250734. Its totient is φ = 20250732.

The previous prime is 20250707. The next prime is 20250743. The reversal of 20250733 is 33705202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 162409 = 4482^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 20250733 - 2⁵ = 20250701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20250743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125366 + 10125367.

It is an arithmetic number, because the mean of its divisors is an integer number (10125367).

Almost surely, 2^20250733 is an apocalyptic number.

It is an amenable number.

20250733 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250733 is an equidigital number, since it uses as much as digits as its factorization.

20250733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 20250733 is about 4500.0814437074. The cubic root of 20250733 is about 272.5713776491.

Adding to 20250733 its reverse (33705202), we get a palindrome (53955935).

The spelling of 20250733 in words is "twenty million, two hundred fifty thousand, seven hundred thirty-three".