20310300007 has 4 divisors (see below), whose sum is σ = 20654542440. Its totient is φ = 19966057576.

The previous prime is 20310299987. The next prime is 20310300019. The reversal of 20310300007 is 70000301302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20310300007 - 2³¹ = 18162816359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310300107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172121128 + ... + 172121245.

It is an arithmetic number, because the mean of its divisors is an integer number (5163635610).

Almost surely, 2^20310300007 is an apocalyptic number.

20310300007 is a deficient number, since it is larger than the sum of its proper divisors (344242433).

20310300007 is an equidigital number, since it uses as much as digits as its factorization.

20310300007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344242432.

The product of its (nonzero) digits is 126, while the sum is 16.

Adding to 20310300007 its reverse (70000301302), we get a palindrome (90310601309).

The spelling of 20310300007 in words is "twenty billion, three hundred ten million, three hundred thousand, seven".