42335020 has 72 divisors (see below), whose sum is σ = 111407184. Its totient is φ = 13394304.

The previous prime is 42335017. The next prime is 42335023. The reversal of 42335020 is 2053324.

It is an interprime number because it is at equal distance from previous prime (42335017) and next prime (42335023).

It is not an unprimeable number, because it can be changed into a prime (42335023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11079 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (1547322).

Almost surely, 2^42335020 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 42335020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55703592).

42335020 is an abundant number, since it is smaller than the sum of its proper divisors (69072164).

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

42335020 is a wasteful number, since it uses less digits than its factorization.

42335020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42335020 is about 6506.5367131831. The cubic root of 42335020 is about 348.5244547404.

Adding to 42335020 its reverse (2053324), we get a palindrome (44388344).

The spelling of 42335020 in words is "forty-two million, three hundred thirty-five thousand, twenty".