20560953461 has 8 divisors (see below), whose sum is σ = 20900851200. Its totient is φ = 20223475360.

The previous prime is 20560953449. The next prime is 20560953463. The reversal of 20560953461 is 16435906502.

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

It is a cyclic number.

It is not a de Polignac number, because 20560953461 - 2³⁰ = 19487211637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560953463) 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, 587771 + ... + 621768.

It is an arithmetic number, because the mean of its divisors is an integer number (2612606400).

Almost surely, 2^20560953461 is an apocalyptic number.

It is an amenable number.

20560953461 is a deficient number, since it is larger than the sum of its proper divisors (339897739).

20560953461 is a wasteful number, since it uses less digits than its factorization.

20560953461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209819.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 20560953461 in words is "twenty billion, five hundred sixty million, nine hundred fifty-three thousand, four hundred sixty-one".