20299936896 has 288 divisors, whose sum is σ = 63198645120. Its totient is φ = 6242396160.

The previous prime is 20299936879. The next prime is 20299936901. The reversal of 20299936896 is 69863999202.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×20299936896² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22282681 + ... + 22283591.

It is an arithmetic number, because the mean of its divisors is an integer number (219439740).

Almost surely, 2^20299936896 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 20299936896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31599322560).

20299936896 is an abundant number, since it is smaller than the sum of its proper divisors (42898708224).

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

20299936896 is a wasteful number, since it uses less digits than its factorization.

20299936896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 20299936896 in words is "twenty billion, two hundred ninety-nine million, nine hundred thirty-six thousand, eight hundred ninety-six".