202421133342 has 24 divisors (see below), whose sum is σ = 438587459544. Its totient is φ = 67472428464.

The previous prime is 202421133329. The next prime is 202421133379. The reversal of 202421133342 is 243331124202.

202421133342 is a `hidden beast` number, since 202 + 4 + 2 + 113 + 3 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622733 + ... + 1743015.

It is an arithmetic number, because the mean of its divisors is an integer number (18274477481).

Almost surely, 2^202421133342 is an apocalyptic number.

202421133342 is an abundant number, since it is smaller than the sum of its proper divisors (236166326202).

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

202421133342 is a wasteful number, since it uses less digits than its factorization.

202421133342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213784 (or 213781 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 202421133342 its reverse (243331124202), we get a palindrome (445752257544).

The spelling of 202421133342 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-three thousand, three hundred forty-two".