20550000307 has 2 divisors, whose sum is σ = 20550000308. Its totient is φ = 20550000306.

The previous prime is 20550000301. The next prime is 20550000349. The reversal of 20550000307 is 70300005502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20550000307 - 2¹⁵ = 20549967539 is a prime.

It is not a weakly prime, because it can be changed into another prime (20550000301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10275000153 + 10275000154.

It is an arithmetic number, because the mean of its divisors is an integer number (10275000154).

Almost surely, 2^20550000307 is an apocalyptic number.

20550000307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20550000307 is an equidigital number, since it uses as much as digits as its factorization.

20550000307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 22.

Adding to 20550000307 its reverse (70300005502), we get a palindrome (90850005809).

The spelling of 20550000307 in words is "twenty billion, five hundred fifty million, three hundred seven", and thus it is an aban number.