42020132 has 24 divisors (see below), whose sum is σ = 91680960. Its totient is φ = 16371360.

The previous prime is 42020131. The next prime is 42020171. The reversal of 42020132 is 23102024.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (42020131) 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, 67907 + ... + 68522.

It is an arithmetic number, because the mean of its divisors is an integer number (3820040).

Almost surely, 2^42020132 is an apocalyptic number.

It is an amenable number.

42020132 is an abundant number, since it is smaller than the sum of its proper divisors (49660828).

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

42020132 is a wasteful number, since it uses less digits than its factorization.

42020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136451 (or 136449 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42020132 is about 6482.2937298459. The cubic root of 42020132 is about 347.6581947984.

Adding to 42020132 its reverse (23102024), we get a palindrome (65122156).

The spelling of 42020132 in words is "forty-two million, twenty thousand, one hundred thirty-two".