42321220202 has 8 divisors (see below), whose sum is σ = 63482704896. Its totient is φ = 21160318572.

The previous prime is 42321220187. The next prime is 42321220211. The reversal of 42321220202 is 20202212324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195353 + ... + 350435.

It is an arithmetic number, because the mean of its divisors is an integer number (7935338112).

Almost surely, 2^42321220202 is an apocalyptic number.

42321220202 is a deficient number, since it is larger than the sum of its proper divisors (21161484694).

42321220202 is a wasteful number, since it uses less digits than its factorization.

42321220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291532.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42321220202 its reverse (20202212324), we get a palindrome (62523432526).

The spelling of 42321220202 in words is "forty-two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred two".