220329823842 has 126 divisors (see below), whose sum is σ = 523777350843. Its totient is φ = 69470299944.

The previous prime is 220329823837. The next prime is 220329823859. The reversal of 220329823842 is 248328923022.

It is a happy number.

220329823842 is a `hidden beast` number, since 220 + 329 + 8 + 23 + 84 + 2 = 666.

220329823842 is digitally balanced in base 2, 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 only one way, i.e., 110164911921 + 110164911921 = 331911^2 + 331911^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331911.

It is an unprimeable number.

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 62 ways as a sum of consecutive naturals, for example, 340540363 + ... + 340541009.

Almost surely, 2^220329823842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220329823842

220329823842 is an abundant number, since it is smaller than the sum of its proper divisors (303447527001).

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

220329823842 is an frugal number, since it uses more digits than its factorization.

220329823842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 220329823842 in words is "two hundred twenty billion, three hundred twenty-nine million, eight hundred twenty-three thousand, eight hundred forty-two".