202421243132 has 6 divisors (see below), whose sum is σ = 354237175488. Its totient is φ = 101210621564.

The previous prime is 202421243119. The next prime is 202421243137. The reversal of 202421243132 is 231342124202.

It is a super-2 number, since 2×202421243132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421243137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302655388 + ... + 25302655395.

It is an arithmetic number, because the mean of its divisors is an integer number (59039529248).

Almost surely, 2^202421243132 is an apocalyptic number.

It is an amenable number.

202421243132 is a deficient number, since it is larger than the sum of its proper divisors (151815932356).

202421243132 is a wasteful number, since it uses less digits than its factorization.

202421243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605310787 (or 50605310785 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 202421243132 its reverse (231342124202), we get a palindrome (433763367334).

The spelling of 202421243132 in words is "two hundred two billion, four hundred twenty-one million, two hundred forty-three thousand, one hundred thirty-two".