20013076387 has 2 divisors, whose sum is σ = 20013076388. Its totient is φ = 20013076386.

The previous prime is 20013076373. The next prime is 20013076393. The reversal of 20013076387 is 78367031002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20013076387 - 2¹⁵ = 20013043619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013076327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006538193 + 10006538194.

It is an arithmetic number, because the mean of its divisors is an integer number (10006538194).

Almost surely, 2^20013076387 is an apocalyptic number.

20013076387 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013076387 is an equidigital number, since it uses as much as digits as its factorization.

20013076387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 20013076387 in words is "twenty billion, thirteen million, seventy-six thousand, three hundred eighty-seven".