20130563071 has 2 divisors, whose sum is σ = 20130563072. Its totient is φ = 20130563070.

The previous prime is 20130563069. The next prime is 20130563077. The reversal of 20130563071 is 17036503102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130563071 - 2¹ = 20130563069 is a prime.

Together with 20130563069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130563077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065281535 + 10065281536.

It is an arithmetic number, because the mean of its divisors is an integer number (10065281536).

Almost surely, 2^20130563071 is an apocalyptic number.

20130563071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130563071 is an equidigital number, since it uses as much as digits as its factorization.

20130563071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 20130563071 in words is "twenty billion, one hundred thirty million, five hundred sixty-three thousand, seventy-one".