20752695525377 has 16 divisors (see below), whose sum is σ = 22191662223360. Its totient is φ = 19358823052800.

The previous prime is 20752695525349. The next prime is 20752695525407. The reversal of 20752695525377 is 77352559625702.

It is a cyclic number.

It is not a de Polignac number, because 20752695525377 - 2¹⁶ = 20752695459841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20752695525307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757249 + ... + 6677822.

It is an arithmetic number, because the mean of its divisors is an integer number (1386978888960).

Almost surely, 2^{20752695525377} is an apocalyptic number.

It is an amenable number.

20752695525377 is a deficient number, since it is larger than the sum of its proper divisors (1438966697983).

20752695525377 is a wasteful number, since it uses less digits than its factorization.

20752695525377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437744.

The product of its (nonzero) digits is 277830000, while the sum is 65.

The spelling of 20752695525377 in words is "twenty trillion, seven hundred fifty-two billion, six hundred ninety-five million, five hundred twenty-five thousand, three hundred seventy-seven".