20541344876 has 12 divisors (see below), whose sum is σ = 38712534672. Its totient is φ = 9480620688.

The previous prime is 20541344843. The next prime is 20541344881. The reversal of 20541344876 is 67844314502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197512880 + ... + 197512983.

It is an arithmetic number, because the mean of its divisors is an integer number (3226044556).

Almost surely, 2^20541344876 is an apocalyptic number.

20541344876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20541344876 is a deficient number, since it is larger than the sum of its proper divisors (18171189796).

20541344876 is a wasteful number, since it uses less digits than its factorization.

20541344876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395025880 (or 395025878 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 20541344876 in words is "twenty billion, five hundred forty-one million, three hundred forty-four thousand, eight hundred seventy-six".