20935752465 has 16 divisors (see below), whose sum is σ = 33499021248. Its totient is φ = 11165128896.

The previous prime is 20935752389. The next prime is 20935752479. The reversal of 20935752465 is 56425753902.

It is not a de Polignac number, because 20935752465 - 2¹¹ = 20935750417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453847 + ... + 497843.

It is an arithmetic number, because the mean of its divisors is an integer number (2093688828).

Almost surely, 2^20935752465 is an apocalyptic number.

It is an amenable number.

20935752465 is a deficient number, since it is larger than the sum of its proper divisors (12563268783).

20935752465 is a wasteful number, since it uses less digits than its factorization.

20935752465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75728.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 20935752465 in words is "twenty billion, nine hundred thirty-five million, seven hundred fifty-two thousand, four hundred sixty-five".