202432021242 has 32 divisors (see below), whose sum is σ = 441890657280. Its totient is φ = 61312371120.

The previous prime is 202432021241. The next prime is 202432021261. The reversal of 202432021242 is 242120234202.

It is not an unprimeable number, because it can be changed into a prime (202432021241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633442 + ... + 897837.

It is an arithmetic number, because the mean of its divisors is an integer number (13809083040).

Almost surely, 2^202432021242 is an apocalyptic number.

202432021242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202432021242 is an abundant number, since it is smaller than the sum of its proper divisors (239458636038).

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

202432021242 is a wasteful number, since it uses less digits than its factorization.

202432021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533298.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202432021242 its reverse (242120234202), we get a palindrome (444552255444).

The spelling of 202432021242 in words is "two hundred two billion, four hundred thirty-two million, twenty-one thousand, two hundred forty-two".