20541546344 has 32 divisors (see below), whose sum is σ = 42171891840. Its totient is φ = 9302601600.

The previous prime is 20541546331. The next prime is 20541546371. The reversal of 20541546344 is 44364514502.

It is a junction number, because it is equal to n+sod(n) for n = 20541546298 and 20541546307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406829 + ... + 454524.

It is an arithmetic number, because the mean of its divisors is an integer number (1317871620).

Almost surely, 2^20541546344 is an apocalyptic number.

It is an amenable number.

20541546344 is an abundant number, since it is smaller than the sum of its proper divisors (21630345496).

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

20541546344 is a wasteful number, since it uses less digits than its factorization.

20541546344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861641 (or 861637 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 20541546344 in words is "twenty billion, five hundred forty-one million, five hundred forty-six thousand, three hundred forty-four".