20579055461 has 8 divisors (see below), whose sum is σ = 20707824000. Its totient is φ = 20450540880.

The previous prime is 20579055389. The next prime is 20579055473. The reversal of 20579055461 is 16455097502.

It is a happy number.

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 20579055461 - 2¹⁸ = 20578793317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20579055491) 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, 100400 + ... + 226358.

It is an arithmetic number, because the mean of its divisors is an integer number (2588478000).

Almost surely, 2^20579055461 is an apocalyptic number.

It is an amenable number.

20579055461 is a deficient number, since it is larger than the sum of its proper divisors (128768539).

20579055461 is a wasteful number, since it uses less digits than its factorization.

20579055461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126979.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 20579055461 in words is "twenty billion, five hundred seventy-nine million, fifty-five thousand, four hundred sixty-one".