202421420332 has 6 divisors (see below), whose sum is σ = 354237485588. Its totient is φ = 101210710164.

The previous prime is 202421420321. The next prime is 202421420387. The reversal of 202421420332 is 233024124202.

It is a junction number, because it is equal to n+sod(n) for n = 202421420297 and 202421420306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302677538 + ... + 25302677545.

Almost surely, 2^202421420332 is an apocalyptic number.

It is an amenable number.

202421420332 is a deficient number, since it is larger than the sum of its proper divisors (151816065256).

202421420332 is a wasteful number, since it uses less digits than its factorization.

202421420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605355087 (or 50605355085 counting only the distinct ones).

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

Adding to 202421420332 its reverse (233024124202), we get a palindrome (435445544534).

The spelling of 202421420332 in words is "two hundred two billion, four hundred twenty-one million, four hundred twenty thousand, three hundred thirty-two".