220304003240 has 16 divisors (see below), whose sum is σ = 495684007380. Its totient is φ = 88121601280.

The previous prime is 220304003233. The next prime is 220304003261. The reversal of 220304003240 is 42300403022.

220304003240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220285667716 + 18335524 = 469346^2 + 4282^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753800001 + ... + 2753800080.

Almost surely, 2^220304003240 is an apocalyptic number.

220304003240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220304003240 is an abundant number, since it is smaller than the sum of its proper divisors (275380004140).

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

220304003240 is a wasteful number, since it uses less digits than its factorization.

220304003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507600092 (or 5507600088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 220304003240 its reverse (42300403022), we get a palindrome (262604406262).

The spelling of 220304003240 in words is "two hundred twenty billion, three hundred four million, three thousand, two hundred forty".