20314750187 has 2 divisors, whose sum is σ = 20314750188. Its totient is φ = 20314750186.

The previous prime is 20314750171. The next prime is 20314750217. The reversal of 20314750187 is 78105741302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20314750187 - 2⁴ = 20314750171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20314750187.

It is not a weakly prime, because it can be changed into another prime (20314050187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157375093 + 10157375094.

It is an arithmetic number, because the mean of its divisors is an integer number (10157375094).

Almost surely, 2^20314750187 is an apocalyptic number.

20314750187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314750187 is an equidigital number, since it uses as much as digits as its factorization.

20314750187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 20314750187 in words is "twenty billion, three hundred fourteen million, seven hundred fifty thousand, one hundred eighty-seven".