202421213432 has 16 divisors (see below), whose sum is σ = 379601351640. Its totient is φ = 101194186336.

The previous prime is 202421213419. The next prime is 202421213441. The reversal of 202421213432 is 234312124202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000078 + ... + 2098845.

Almost surely, 2^202421213432 is an apocalyptic number.

It is an amenable number.

202421213432 is a deficient number, since it is larger than the sum of its proper divisors (177180138208).

202421213432 is a wasteful number, since it uses less digits than its factorization.

202421213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105102 (or 4105098 counting only the distinct ones).

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

Adding to 202421213432 its reverse (234312124202), we get a palindrome (436733337634).

The spelling of 202421213432 in words is "two hundred two billion, four hundred twenty-one million, two hundred thirteen thousand, four hundred thirty-two".