42199020 has 72 divisors (see below), whose sum is σ = 133582176. Its totient is φ = 10762752.

The previous prime is 42199013. The next prime is 42199021. The reversal of 42199020 is 2099124.

It is not an unprimeable number, because it can be changed into a prime (42199021) 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, 957 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (1855308).

Almost surely, 2^42199020 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 42199020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66791088).

42199020 is an abundant number, since it is smaller than the sum of its proper divisors (91383156).

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

42199020 is a wasteful number, since it uses less digits than its factorization.

42199020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231 (or 10226 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 42199020 is about 6496.0772778655. The cubic root of 42199020 is about 348.1508462170.

The spelling of 42199020 in words is "forty-two million, one hundred ninety-nine thousand, twenty".