20854033827 has 48 divisors (see below), whose sum is σ = 31128320160. Its totient is φ = 12405888000.

The previous prime is 20854033817. The next prime is 20854033897. The reversal of 20854033827 is 72833045802.

It is not a de Polignac number, because 20854033827 - 2¹⁵ = 20854001059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20854033817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19507449 + ... + 19508517.

It is an arithmetic number, because the mean of its divisors is an integer number (648506670).

Almost surely, 2^20854033827 is an apocalyptic number.

20854033827 is a deficient number, since it is larger than the sum of its proper divisors (10274286333).

20854033827 is a wasteful number, since it uses less digits than its factorization.

20854033827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 20854033827 in words is "twenty billion, eight hundred fifty-four million, thirty-three thousand, eight hundred twenty-seven".