20713025159 has 2 divisors, whose sum is σ = 20713025160. Its totient is φ = 20713025158.

The previous prime is 20713025141. The next prime is 20713025171. The reversal of 20713025159 is 95152031702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20713025159 is a prime.

It is a super-2 number, since 2×20713025159² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20713025119) 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 as a sum of consecutive naturals, namely, 10356512579 + 10356512580.

It is an arithmetic number, because the mean of its divisors is an integer number (10356512580).

Almost surely, 2^20713025159 is an apocalyptic number.

20713025159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20713025159 is an equidigital number, since it uses as much as digits as its factorization.

20713025159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 20713025159 in words is "twenty billion, seven hundred thirteen million, twenty-five thousand, one hundred fifty-nine".