20541360516 has 24 divisors (see below), whose sum is σ = 48197610720. Its totient is φ = 6808867392.

The previous prime is 20541360473. The next prime is 20541360529. The reversal of 20541360516 is 61506314502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4779361 + ... + 4783656.

It is an arithmetic number, because the mean of its divisors is an integer number (2008233780).

Almost surely, 2^20541360516 is an apocalyptic number.

It is an amenable number.

20541360516 is an abundant number, since it is smaller than the sum of its proper divisors (27656250204).

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

20541360516 is a wasteful number, since it uses less digits than its factorization.

20541360516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563203 (or 9563201 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 20541360516 in words is "twenty billion, five hundred forty-one million, three hundred sixty thousand, five hundred sixteen".