20352443000 has 64 divisors (see below), whose sum is σ = 48115922400. Its totient is φ = 8057011200.

The previous prime is 20352442987. The next prime is 20352443057. The reversal of 20352443000 is 34425302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7910 + ... + 201909.

Almost surely, 2^20352443000 is an apocalyptic number.

20352443000 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 20352443000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24057961200).

20352443000 is an abundant number, since it is smaller than the sum of its proper divisors (27763479400).

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

20352443000 is a wasteful number, since it uses less digits than its factorization.

20352443000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209937 (or 209923 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20352443000 its reverse (34425302), we get a palindrome (20386868302).

The spelling of 20352443000 in words is "twenty billion, three hundred fifty-two million, four hundred forty-three thousand".