220545424372 has 72 divisors (see below), whose sum is σ = 495296431560. Its totient is φ = 85120680960.

The previous prime is 220545424361. The next prime is 220545424373. The reversal of 220545424372 is 273424545022.

220545424372 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 4 ways, for example, as 8985902436 + 211559521936 = 94794^2 + 459956^2 .

It is a super-2 number, since 2×220545424372² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220545424373) 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 23 ways as a sum of consecutive naturals, for example, 951097 + ... + 1160032.

It is an arithmetic number, because the mean of its divisors is an integer number (6879117105).

Almost surely, 2^220545424372 is an apocalyptic number.

It is an amenable number.

220545424372 is an abundant number, since it is smaller than the sum of its proper divisors (274751007188).

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

220545424372 is a wasteful number, since it uses less digits than its factorization.

220545424372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111201 (or 2111192 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 40.

Adding to 220545424372 its reverse (273424545022), we get a palindrome (493969969394).

The spelling of 220545424372 in words is "two hundred twenty billion, five hundred forty-five million, four hundred twenty-four thousand, three hundred seventy-two".