220532454001 has 8 divisors (see below), whose sum is σ = 221183562600. Its totient is φ = 219881455872.

The previous prime is 220532453989. The next prime is 220532454017. The reversal of 220532454001 is 100454235022.

It can be written as a sum of positive squares in 4 ways, for example, as 127477561600 + 93054892401 = 357040^2 + 305049^2 .

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 220532454001 - 2³⁵ = 186172715633 is a prime.

It is a super-4 number, since 4×220532454001⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220532454101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715891 + ... + 5754343.

It is an arithmetic number, because the mean of its divisors is an integer number (27647945325).

Almost surely, 2^220532454001 is an apocalyptic number.

It is an amenable number.

220532454001 is a deficient number, since it is larger than the sum of its proper divisors (651108599).

220532454001 is a wasteful number, since it uses less digits than its factorization.

220532454001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55235.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 220532454001 its reverse (100454235022), we get a palindrome (320986689023).

The spelling of 220532454001 in words is "two hundred twenty billion, five hundred thirty-two million, four hundred fifty-four thousand, one".