20016611200 has 96 divisors (see below), whose sum is σ = 49488462000. Its totient is φ = 7999979520.

The previous prime is 20016611141. The next prime is 20016611203. The reversal of 20016611200 is 211661002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016611203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6011136 + ... + 6014464.

Almost surely, 2^20016611200 is an apocalyptic number.

20016611200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20016611200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24744231000).

20016611200 is an abundant number, since it is smaller than the sum of its proper divisors (29471850800).

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

20016611200 is a wasteful number, since it uses less digits than its factorization.

20016611200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 20016611200 in words is "twenty billion, sixteen million, six hundred eleven thousand, two hundred".