220242323420 has 24 divisors (see below), whose sum is σ = 528581576544. Its totient is φ = 75511653696.

The previous prime is 220242323377. The next prime is 220242323437. The reversal of 220242323420 is 24323242022.

220242323420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220242323420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786579587 + ... + 786579866.

It is an arithmetic number, because the mean of its divisors is an integer number (22024232356).

Almost surely, 2^220242323420 is an apocalyptic number.

220242323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220242323420 is an abundant number, since it is smaller than the sum of its proper divisors (308339253124).

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

220242323420 is a wasteful number, since it uses less digits than its factorization.

220242323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573159469 (or 1573159467 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 220242323420 its reverse (24323242022), we get a palindrome (244565565442).

The spelling of 220242323420 in words is "two hundred twenty billion, two hundred forty-two million, three hundred twenty-three thousand, four hundred twenty".