20201084016 has 80 divisors (see below), whose sum is σ = 54380224800. Its totient is φ = 6453981184.

The previous prime is 20201083999. The next prime is 20201084017. The reversal of 20201084016 is 61048010202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201084017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137740 + ... + 243668.

It is an arithmetic number, because the mean of its divisors is an integer number (679752810).

Almost surely, 2^20201084016 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 20201084016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27190112400).

20201084016 is an abundant number, since it is smaller than the sum of its proper divisors (34179140784).

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

20201084016 is a wasteful number, since it uses less digits than its factorization.

20201084016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106 (or 106100 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20201084016 its reverse (61048010202), we get a palindrome (81249094218).

The spelling of 20201084016 in words is "twenty billion, two hundred one million, eighty-four thousand, sixteen".