402203104220 has 24 divisors (see below), whose sum is σ = 845416672800. Its totient is φ = 160730736192.

The previous prime is 402203104207. The next prime is 402203104223. The reversal of 402203104220 is 22401302204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 402203104192 and 402203104201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402203104223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384680 + ... + 9427439.

It is an arithmetic number, because the mean of its divisors is an integer number (35225694700).

Almost surely, 2^402203104220 is an apocalyptic number.

It is an amenable number.

402203104220 is an abundant number, since it is smaller than the sum of its proper divisors (443213568580).

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

402203104220 is a wasteful number, since it uses less digits than its factorization.

402203104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813197 (or 18813195 counting only the distinct ones).

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

Adding to 402203104220 its reverse (22401302204), we get a palindrome (424604406424).

The spelling of 402203104220 in words is "four hundred two billion, two hundred three million, one hundred four thousand, two hundred twenty".