403243220020 has 48 divisors (see below), whose sum is σ = 852205390848. Its totient is φ = 160270476800.

The previous prime is 403243219993. The next prime is 403243220053. The reversal of 403243220020 is 20022342304.

It is a junction number, because it is equal to n+sod(n) for n = 403243219973 and 403243220000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9333789 + ... + 9376891.

It is an arithmetic number, because the mean of its divisors is an integer number (17754278976).

Almost surely, 2^403243220020 is an apocalyptic number.

It is an amenable number.

403243220020 is an abundant number, since it is smaller than the sum of its proper divisors (448962170828).

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

403243220020 is a wasteful number, since it uses less digits than its factorization.

403243220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46080 (or 46078 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 403243220020 its reverse (20022342304), we get a palindrome (423265562324).

The spelling of 403243220020 in words is "four hundred three billion, two hundred forty-three million, two hundred twenty thousand, twenty".