32442120021 has 8 divisors (see below), whose sum is σ = 43282590624. Its totient is φ = 21614864720.

The previous prime is 32442119971. The next prime is 32442120041. The reversal of 32442120021 is 12002124423.

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

It is a cyclic number.

It is not a de Polignac number, because 32442120021 - 2¹¹ = 32442117973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32442120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442120041) 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, 3298095 + ... + 3307916.

It is an arithmetic number, because the mean of its divisors is an integer number (5410323828).

Almost surely, 2^32442120021 is an apocalyptic number.

It is an amenable number.

32442120021 is a deficient number, since it is larger than the sum of its proper divisors (10840470603).

32442120021 is a wasteful number, since it uses less digits than its factorization.

32442120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607651.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 32442120021 its reverse (12002124423), we get a palindrome (44444244444).

The spelling of 32442120021 in words is "thirty-two billion, four hundred forty-two million, one hundred twenty thousand, twenty-one".