20846518876 has 24 divisors (see below), whose sum is σ = 38466323280. Its totient is φ = 9857993472.

The previous prime is 20846518867. The next prime is 20846518883. The reversal of 20846518876 is 67881564802.

It is a congruent number.

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, 186211 + ... + 276346.

It is an arithmetic number, because the mean of its divisors is an integer number (1602763470).

Almost surely, 2^20846518876 is an apocalyptic number.

It is an amenable number.

20846518876 is a deficient number, since it is larger than the sum of its proper divisors (17619804404).

20846518876 is a wasteful number, since it uses less digits than its factorization.

20846518876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463173 (or 463171 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 20846518876 in words is "twenty billion, eight hundred forty-six million, five hundred eighteen thousand, eight hundred seventy-six".