20053307 has 2 divisors, whose sum is σ = 20053308. Its totient is φ = 20053306.

The previous prime is 20053291. The next prime is 20053321. The reversal of 20053307 is 70335002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20053307 - 2⁴ = 20053291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20053357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026653 + 10026654.

It is an arithmetic number, because the mean of its divisors is an integer number (10026654).

Almost surely, 2^20053307 is an apocalyptic number.

20053307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20053307 is an equidigital number, since it uses as much as digits as its factorization.

20053307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 20053307 is about 4478.0918927597. The cubic root of 20053307 is about 271.6827101486.

Adding to 20053307 its reverse (70335002), we get a palindrome (90388309).

The spelling of 20053307 in words is "twenty million, fifty-three thousand, three hundred seven".