20052716505 has 8 divisors (see below), whose sum is σ = 32084346432. Its totient is φ = 10694782128.

The previous prime is 20052716479. The next prime is 20052716533. The reversal of 20052716505 is 50561725002.

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

It is not a de Polignac number, because 20052716505 - 2⁸ = 20052716249 is a prime.

It is a super-2 number, since 2×20052716505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 668423869 + ... + 668423898.

It is an arithmetic number, because the mean of its divisors is an integer number (4010543304).

Almost surely, 2^20052716505 is an apocalyptic number.

It is an amenable number.

20052716505 is a deficient number, since it is larger than the sum of its proper divisors (12031629927).

20052716505 is a wasteful number, since it uses less digits than its factorization.

20052716505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336847775.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 20052716505 in words is "twenty billion, fifty-two million, seven hundred sixteen thousand, five hundred five".