402203423220 has 24 divisors (see below), whose sum is σ = 1126169585184. Its totient is φ = 107254246176.

The previous prime is 402203423191. The next prime is 402203423233. The reversal of 402203423220 is 22324302204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351695134 + ... + 3351695253.

It is an arithmetic number, because the mean of its divisors is an integer number (46923732716).

Almost surely, 2^402203423220 is an apocalyptic number.

It is an amenable number.

402203423220 is an abundant number, since it is smaller than the sum of its proper divisors (723966161964).

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

402203423220 is a wasteful number, since it uses less digits than its factorization.

402203423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703390399 (or 6703390397 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 402203423220 its reverse (22324302204), we get a palindrome (424527725424).

The spelling of 402203423220 in words is "four hundred two billion, two hundred three million, four hundred twenty-three thousand, two hundred twenty".