42201020 has 24 divisors (see below), whose sum is σ = 90077568. Its totient is φ = 16603200.

The previous prime is 42201011. The next prime is 42201031. The reversal of 42201020 is 2010224.

It is a junction number, because it is equal to n+sod(n) for n = 42200992 and 42201010.

It is a congruent number.

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, 16076 + ... + 18515.

It is an arithmetic number, because the mean of its divisors is an integer number (3753232).

Almost surely, 2^42201020 is an apocalyptic number.

It is an amenable number.

42201020 is an abundant number, since it is smaller than the sum of its proper divisors (47876548).

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

42201020 is a wasteful number, since it uses less digits than its factorization.

42201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34661 (or 34659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 42201020 is about 6496.2312150970. The cubic root of 42201020 is about 348.1563462712.

Adding to 42201020 its reverse (2010224), we get a palindrome (44211244).

The spelling of 42201020 in words is "forty-two million, two hundred one thousand, twenty".