42113320 has 32 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 16630848.

The previous prime is 42113317. The next prime is 42113333. The reversal of 42113320 is 2331124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42113294 and 42113303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^42113320 is an apocalyptic number.

42113320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42113320 is an abundant number, since it is smaller than the sum of its proper divisors (53848280).

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

42113320 is a wasteful number, since it uses less digits than its factorization.

42113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417 (or 13413 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42113320 is about 6489.4776369135. The cubic root of 42113320 is about 347.9150054462.

Adding to 42113320 its reverse (2331124), we get a palindrome (44444444).

The spelling of 42113320 in words is "forty-two million, one hundred thirteen thousand, three hundred twenty".