20804234276 has 12 divisors (see below), whose sum is σ = 41608468608. Its totient is φ = 8916100392.

The previous prime is 20804234273. The next prime is 20804234287. The reversal of 20804234276 is 67243240802.

20804234276 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20804234273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371504156 + ... + 371504211.

It is an arithmetic number, because the mean of its divisors is an integer number (3467372384).

Almost surely, 2^20804234276 is an apocalyptic number.

It is an amenable number.

20804234276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20804234276 is a wasteful number, since it uses less digits than its factorization.

20804234276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743008378 (or 743008376 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 20804234276 in words is "twenty billion, eight hundred four million, two hundred thirty-four thousand, two hundred seventy-six".