20854607276 has 6 divisors (see below), whose sum is σ = 36495562740. Its totient is φ = 10427303636.

The previous prime is 20854607231. The next prime is 20854607287. The reversal of 20854607276 is 67270645802.

It is a self number, because there is not a number n which added to its sum of digits gives 20854607276.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606825906 + ... + 2606825913.

It is an arithmetic number, because the mean of its divisors is an integer number (6082593790).

Almost surely, 2^20854607276 is an apocalyptic number.

It is an amenable number.

20854607276 is a deficient number, since it is larger than the sum of its proper divisors (15640955464).

20854607276 is a wasteful number, since it uses less digits than its factorization.

20854607276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213651823 (or 5213651821 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 20854607276 in words is "twenty billion, eight hundred fifty-four million, six hundred seven thousand, two hundred seventy-six".