20216000000 has 420 divisors, whose sum is σ = 60899689224. Its totient is φ = 6566400000.

The previous prime is 20215999931. The next prime is 20216000003. The reversal of 20216000000 is 61202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1063999991 + ... + 1064000009.

Almost surely, 2^20216000000 is an apocalyptic number.

20216000000 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 20216000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30449844612).

20216000000 is an abundant number, since it is smaller than the sum of its proper divisors (40683689224).

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

20216000000 is an frugal number, since it uses more digits than its factorization.

20216000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20216000000 its reverse (61202), we get a palindrome (20216061202).

The spelling of 20216000000 in words is "twenty billion, two hundred sixteen million", and thus it is an aban number.