42003232020 has 240 divisors, whose sum is σ = 134451831360. Its totient is φ = 10974610944.

The previous prime is 42003232009. The next prime is 42003232021. The reversal of 42003232020 is 2023230024.

42003232020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42003231984 and 42003232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003232021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19275291 + ... + 19277469.

It is an arithmetic number, because the mean of its divisors is an integer number (560215964).

Almost surely, 2^42003232020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42003232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67225915680).

42003232020 is an abundant number, since it is smaller than the sum of its proper divisors (92448599340).

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

42003232020 is a wasteful number, since it uses less digits than its factorization.

42003232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 42003232020 its reverse (2023230024), we get a palindrome (44026462044).

The spelling of 42003232020 in words is "forty-two billion, three million, two hundred thirty-two thousand, twenty".