404300201220 has 36 divisors (see below), whose sum is σ = 1226377277580. Its totient is φ = 107813386944.

The previous prime is 404300201213. The next prime is 404300201257. The reversal of 404300201220 is 22102003404.

It can be written as a sum of positive squares in 2 ways, for example, as 178325465796 + 225974735424 = 422286^2 + 475368^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404300201193 and 404300201202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1123055935 + ... + 1123056294.

Almost surely, 2^404300201220 is an apocalyptic number.

It is an amenable number.

404300201220 is an abundant number, since it is smaller than the sum of its proper divisors (822077076360).

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

404300201220 is a wasteful number, since it uses less digits than its factorization.

404300201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246112244 (or 2246112239 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 404300201220 its reverse (22102003404), we get a palindrome (426402204624).

The spelling of 404300201220 in words is "four hundred four billion, three hundred million, two hundred one thousand, two hundred twenty".