220020002440 has 32 divisors (see below), whose sum is σ = 565765721280. Its totient is φ = 75435429312.

The previous prime is 220020002407. The next prime is 220020002441. The reversal of 220020002440 is 44200020022.

220020002440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220020002441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392892582 + ... + 392893141.

It is an arithmetic number, because the mean of its divisors is an integer number (17680178790).

Almost surely, 2^220020002440 is an apocalyptic number.

220020002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020002440 is an abundant number, since it is smaller than the sum of its proper divisors (345745718840).

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

220020002440 is a wasteful number, since it uses less digits than its factorization.

220020002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785785741 (or 785785737 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 220020002440 its reverse (44200020022), we get a palindrome (264220022462).

The spelling of 220020002440 in words is "two hundred twenty billion, twenty million, two thousand, four hundred forty".