32020423440000 has 640 divisors, whose sum is σ = 112683428510400. Its totient is φ = 8025956352000.

The previous prime is 32020423439999. The next prime is 32020423440041. The reversal of 32020423440000 is 4432402023.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3382315267 + ... + 3382324733.

Almost surely, 2^{32020423440000} is an apocalyptic number.

32020423440000 is a gapful number since it is divisible by the number (30) 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 32020423440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56341714255200).

32020423440000 is an abundant number, since it is smaller than the sum of its proper divisors (80663005070400).

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

32020423440000 is an equidigital number, since it uses as much as digits as its factorization.

32020423440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 32020423440000 its reverse (4432402023), we get a palindrome (32024855842023).

The spelling of 32020423440000 in words is "thirty-two trillion, twenty billion, four hundred twenty-three million, four hundred forty thousand".