32001220242 has 24 divisors (see below), whose sum is σ = 69436345680. Its totient is φ = 10651632120.

The previous prime is 32001220211. The next prime is 32001220243. The reversal of 32001220242 is 24202210023.

32001220242 is a `hidden beast` number, since 3 + 200 + 1 + 220 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32001220243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1273992 + ... + 1298867.

It is an arithmetic number, because the mean of its divisors is an integer number (2893181070).

Almost surely, 2^32001220242 is an apocalyptic number.

32001220242 is an abundant number, since it is smaller than the sum of its proper divisors (37435125438).

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

32001220242 is a wasteful number, since it uses less digits than its factorization.

32001220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573558 (or 2573555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 32001220242 its reverse (24202210023), we get a palindrome (56203430265).

The spelling of 32001220242 in words is "thirty-two billion, one million, two hundred twenty thousand, two hundred forty-two".