32442020 has 24 divisors (see below), whose sum is σ = 73369464. Its totient is φ = 11978496.

The previous prime is 32442017. The next prime is 32442031. The reversal of 32442020 is 2024423.

It can be written as a sum of positive squares in 4 ways, for example, as 1350244 + 31091776 = 1162^2 + 5576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32442020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62129 + ... + 62648.

It is an arithmetic number, because the mean of its divisors is an integer number (3057061).

Almost surely, 2^32442020 is an apocalyptic number.

It is an amenable number.

32442020 is an abundant number, since it is smaller than the sum of its proper divisors (40927444).

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

32442020 is a wasteful number, since it uses less digits than its factorization.

32442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124799 (or 124797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 32442020 is about 5695.7896730831. The cubic root of 32442020 is about 318.9353288514.

Adding to 32442020 its reverse (2024423), we get a palindrome (34466443).

The spelling of 32442020 in words is "thirty-two million, four hundred forty-two thousand, twenty".