20845826115 has 8 divisors (see below), whose sum is σ = 33353321808. Its totient is φ = 11117773920.

The previous prime is 20845826087. The next prime is 20845826123. The reversal of 20845826115 is 51162854802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20845826115 - 2⁶ = 20845826051 is a prime.

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, 694860856 + ... + 694860885.

It is an arithmetic number, because the mean of its divisors is an integer number (4169165226).

Almost surely, 2^20845826115 is an apocalyptic number.

20845826115 is a deficient number, since it is larger than the sum of its proper divisors (12507495693).

20845826115 is a wasteful number, since it uses less digits than its factorization.

20845826115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389721749.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 20845826115 in words is "twenty billion, eight hundred forty-five million, eight hundred twenty-six thousand, one hundred fifteen".