20752118527 has 6 divisors (see below), whose sum is σ = 24140219568. Its totient is φ = 17787530124.

The previous prime is 20752118521. The next prime is 20752118533. The reversal of 20752118527 is 72581125702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20752118521) and next prime (20752118533).

It is not a de Polignac number, because 20752118527 - 2¹¹ = 20752116479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20752118527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752118521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211756263 + ... + 211756360.

It is an arithmetic number, because the mean of its divisors is an integer number (4023369928).

Almost surely, 2^20752118527 is an apocalyptic number.

20752118527 is a deficient number, since it is larger than the sum of its proper divisors (3388101041).

20752118527 is an equidigital number, since it uses as much as digits as its factorization.

20752118527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423512637 (or 423512630 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 20752118527 in words is "twenty billion, seven hundred fifty-two million, one hundred eighteen thousand, five hundred twenty-seven".