20055516846 has 16 divisors (see below), whose sum is σ = 40321041408. Its totient is φ = 6650171000.

The previous prime is 20055516841. The next prime is 20055516847. The reversal of 20055516846 is 64861555002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20055516798 and 20055516807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055516841) 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, 8749080 + ... + 8751371.

It is an arithmetic number, because the mean of its divisors is an integer number (2520065088).

Almost surely, 2^20055516846 is an apocalyptic number.

20055516846 is an abundant number, since it is smaller than the sum of its proper divisors (20265524562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20055516846 is a wasteful number, since it uses less digits than its factorization.

20055516846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500647.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 20055516846 in words is "twenty billion, fifty-five million, five hundred sixteen thousand, eight hundred forty-six".