242432032021 has 4 divisors (see below), whose sum is σ = 245500792000. Its totient is φ = 239363272044.

The previous prime is 242432032001. The next prime is 242432032033. The reversal of 242432032021 is 120230234242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120230234242 = 2 ⋅60115117121.

It is not a de Polignac number, because 242432032021 - 2¹⁹ = 242431507733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242432032001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534379871 + ... + 1534380028.

It is an arithmetic number, because the mean of its divisors is an integer number (61375198000).

Almost surely, 2^242432032021 is an apocalyptic number.

It is an amenable number.

242432032021 is a deficient number, since it is larger than the sum of its proper divisors (3068759979).

242432032021 is an equidigital number, since it uses as much as digits as its factorization.

242432032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068759978.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 242432032021 its reverse (120230234242), we get a palindrome (362662266263).

The spelling of 242432032021 in words is "two hundred forty-two billion, four hundred thirty-two million, thirty-two thousand, twenty-one".