220432021543 has 8 divisors (see below), whose sum is σ = 224663984640. Its totient is φ = 216239063040.

The previous prime is 220432021429. The next prime is 220432021549. The reversal of 220432021543 is 345120234022.

220432021543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220432021543 - 2²¹ = 220429924391 is a prime.

It is a super-2 number, since 2×220432021543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220432021549) 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, 9739738 + ... + 9762343.

It is an arithmetic number, because the mean of its divisors is an integer number (28082998080).

Almost surely, 2^220432021543 is an apocalyptic number.

220432021543 is a deficient number, since it is larger than the sum of its proper divisors (4231963097).

220432021543 is a wasteful number, since it uses less digits than its factorization.

220432021543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19502297.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 220432021543 its reverse (345120234022), we get a palindrome (565552255565).

The spelling of 220432021543 in words is "two hundred twenty billion, four hundred thirty-two million, twenty-one thousand, five hundred forty-three".