223020433012240 has 160 divisors (see below), whose sum is σ = 577933085808000. Its totient is φ = 79539827318784.

The previous prime is 223020433012219. The next prime is 223020433012243. The reversal of 223020433012240 is 42210334020322.

It is a super-2 number, since 2×223020433012240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223020433012199 and 223020433012208.

It is not an unprimeable number, because it can be changed into a prime (223020433012243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672013871 + ... + 1672147249.

It is an arithmetic number, because the mean of its divisors is an integer number (3612081786300).

Almost surely, 2^{223020433012240} is an apocalyptic number.

223020433012240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223020433012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288966542904000).

223020433012240 is an abundant number, since it is smaller than the sum of its proper divisors (354912652795760).

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

223020433012240 is a wasteful number, since it uses less digits than its factorization.

223020433012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198137 (or 198131 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 223020433012240 its reverse (42210334020322), we get a palindrome (265230767032562).

The spelling of 223020433012240 in words is "two hundred twenty-three trillion, twenty billion, four hundred thirty-three million, twelve thousand, two hundred forty".