32020642 has 8 divisors (see below), whose sum is σ = 48091932. Its totient is φ = 15990000.

The previous prime is 32020633. The next prime is 32020661. The reversal of 32020642 is 24602023.

It can be written as a sum of positive squares in 2 ways, for example, as 31708161 + 312481 = 5631^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8109 + ... + 11392.

Almost surely, 2^32020642 is an apocalyptic number.

32020642 is a deficient number, since it is larger than the sum of its proper divisors (16071290).

32020642 is a wasteful number, since it uses less digits than its factorization.

32020642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 32020642 is about 5658.6784676283. The cubic root of 32020642 is about 317.5484605799.

Adding to 32020642 its reverse (24602023), we get a palindrome (56622665).

The spelling of 32020642 in words is "thirty-two million, twenty thousand, six hundred forty-two".