20183405016 has 64 divisors (see below), whose sum is σ = 51664504320. Its totient is φ = 6567200640.

The previous prime is 20183404999. The next prime is 20183405041. The reversal of 20183405016 is 61050438102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925646 + ... + 1936098.

It is an arithmetic number, because the mean of its divisors is an integer number (807257880).

Almost surely, 2^20183405016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20183405016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25832252160).

20183405016 is an abundant number, since it is smaller than the sum of its proper divisors (31481099304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20183405016 is a wasteful number, since it uses less digits than its factorization.

20183405016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376 (or 12372 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20183405016 in words is "twenty billion, one hundred eighty-three million, four hundred five thousand, sixteen".