20016844012 has 24 divisors (see below), whose sum is σ = 38448430272. Its totient is φ = 9042742800.

The previous prime is 20016843997. The next prime is 20016844091. The reversal of 20016844012 is 21044861002.

It is a super-2 number, since 2×20016844012² (a number of 21 digits) contains 22 as substring.

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, 1388314 + ... + 1402657.

It is an arithmetic number, because the mean of its divisors is an integer number (1602017928).

Almost surely, 2^20016844012 is an apocalyptic number.

20016844012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20016844012 is a deficient number, since it is larger than the sum of its proper divisors (18431586260).

20016844012 is a wasteful number, since it uses less digits than its factorization.

20016844012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791149 (or 2791147 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 20016844012 in words is "twenty billion, sixteen million, eight hundred forty-four thousand, twelve".