20289089992224 has 384 divisors, whose sum is σ = 60215273717760. Its totient is φ = 5950815704064.

The previous prime is 20289089992211. The next prime is 20289089992261. The reversal of 20289089992224 is 42229998098202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250370977 + ... + 250451999.

It is an arithmetic number, because the mean of its divisors is an integer number (156810608640).

Almost surely, 2^{20289089992224} is an apocalyptic number.

20289089992224 is a gapful number since it is divisible by the number (24) 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 20289089992224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30107636858880).

20289089992224 is an abundant number, since it is smaller than the sum of its proper divisors (39926183725536).

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

20289089992224 is a wasteful number, since it uses less digits than its factorization.

20289089992224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81252 (or 81244 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 66.

The spelling of 20289089992224 in words is "twenty trillion, two hundred eighty-nine billion, eighty-nine million, nine hundred ninety-two thousand, two hundred twenty-four".