20751165059 has 2 divisors, whose sum is σ = 20751165060. Its totient is φ = 20751165058.

The previous prime is 20751165007. The next prime is 20751165103. The reversal of 20751165059 is 95056115702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20751165059 is a prime.

It is a super-3 number, since 3×20751165059³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (20751165559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375582529 + 10375582530.

It is an arithmetic number, because the mean of its divisors is an integer number (10375582530).

Almost surely, 2^20751165059 is an apocalyptic number.

20751165059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20751165059 is an equidigital number, since it uses as much as digits as its factorization.

20751165059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 20751165059 in words is "twenty billion, seven hundred fifty-one million, one hundred sixty-five thousand, fifty-nine".