20310678207 has 16 divisors (see below), whose sum is σ = 30118620000. Its totient is φ = 13527525312.

The previous prime is 20310678203. The next prime is 20310678251. The reversal of 20310678207 is 70287601302.

It is not a de Polignac number, because 20310678207 - 2² = 20310678203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310678203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330232 + ... + 386877.

It is an arithmetic number, because the mean of its divisors is an integer number (1882413750).

Almost surely, 2^20310678207 is an apocalyptic number.

20310678207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20310678207 is a deficient number, since it is larger than the sum of its proper divisors (9807941793).

20310678207 is a wasteful number, since it uses less digits than its factorization.

20310678207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718167 (or 718161 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 20310678207 in words is "twenty billion, three hundred ten million, six hundred seventy-eight thousand, two hundred seven".