20298719232 has 448 divisors, whose sum is σ = 67062827520. Its totient is φ = 6091407360.

The previous prime is 20298719071. The next prime is 20298719237. The reversal of 20298719232 is 23291789202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20298719237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197074893 + ... + 197074995.

Almost surely, 2^20298719232 is an apocalyptic number.

20298719232 is a gapful number since it is divisible by the number (22) 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 20298719232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33531413760).

20298719232 is an abundant number, since it is smaller than the sum of its proper divisors (46764108288).

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

20298719232 is an frugal number, since it uses more digits than its factorization.

20298719232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 20298719232 in words is "twenty billion, two hundred ninety-eight million, seven hundred nineteen thousand, two hundred thirty-two".