20752463517 has 8 divisors (see below), whose sum is σ = 28562530560. Its totient is φ = 13388686080.

The previous prime is 20752463513. The next prime is 20752463521. The reversal of 20752463517 is 71536425702.

It is an interprime number because it is at equal distance from previous prime (20752463513) and next prime (20752463521).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20752463517 - 2² = 20752463513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752463513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111572292 + ... + 111572477.

It is an arithmetic number, because the mean of its divisors is an integer number (3570316320).

Almost surely, 2^20752463517 is an apocalyptic number.

It is an amenable number.

20752463517 is a deficient number, since it is larger than the sum of its proper divisors (7810067043).

20752463517 is a wasteful number, since it uses less digits than its factorization.

20752463517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223144803.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 20752463517 in words is "twenty billion, seven hundred fifty-two million, four hundred sixty-three thousand, five hundred seventeen".