20443419360 has 2304 divisors, whose sum is σ = 104248166400. Its totient is φ = 3678732288.

The previous prime is 20443419313. The next prime is 20443419361. The reversal of 20443419360 is 6391434402.

It is a happy number.

20443419360 is a `hidden beast` number, since 20 + 443 + 4 + 193 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443419361) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 888844309 + ... + 888844331.

It is an arithmetic number, because the mean of its divisors is an integer number (45246600).

Almost surely, 2^20443419360 is an apocalyptic number.

20443419360 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 20443419360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52124083200).

20443419360 is an abundant number, since it is smaller than the sum of its proper divisors (83804747040).

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

20443419360 is a wasteful number, since it uses less digits than its factorization.

20443419360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20443419360 in words is "twenty billion, four hundred forty-three million, four hundred nineteen thousand, three hundred sixty".