32443140020 has 24 divisors (see below), whose sum is σ = 68172900264. Its totient is φ = 12969197696.

The previous prime is 32443140019. The next prime is 32443140029. The reversal of 32443140020 is 2004134423.

It can be written as a sum of positive squares in 4 ways, for example, as 10684529956 + 21758610064 = 103366^2 + 147508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32443140029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470579 + ... + 535098.

It is an arithmetic number, because the mean of its divisors is an integer number (2840537511).

Almost surely, 2^32443140020 is an apocalyptic number.

It is an amenable number.

32443140020 is an abundant number, since it is smaller than the sum of its proper divisors (35729760244).

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

32443140020 is a wasteful number, since it uses less digits than its factorization.

32443140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007299 (or 1007297 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32443140020 its reverse (2004134423), we get a palindrome (34447274443).

The spelling of 32443140020 in words is "thirty-two billion, four hundred forty-three million, one hundred forty thousand, twenty".