20443150000 has 240 divisors, whose sum is σ = 60945974208. Its totient is φ = 6468480000.

The previous prime is 20443149967. The next prime is 20443150051. The reversal of 20443150000 is 5134402.

It is a self number, because there is not a number n which added to its sum of digits gives 20443150000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4547754 + ... + 4552246.

Almost surely, 2^20443150000 is an apocalyptic number.

20443150000 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 20443150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30472987104).

20443150000 is an abundant number, since it is smaller than the sum of its proper divisors (40502824208).

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

20443150000 is an equidigital number, since it uses as much as digits as its factorization.

20443150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20443150000 its reverse (5134402), we get a palindrome (20448284402).

The spelling of 20443150000 in words is "twenty billion, four hundred forty-three million, one hundred fifty thousand".