220105132520201 has 8 divisors (see below), whose sum is σ = 227695509517320. Its totient is φ = 212514791845888.

The previous prime is 220105132520149. The next prime is 220105132520237. The reversal of 220105132520201 is 102025231501022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32057666478601 + 188047466041600 = 5661949^2 + 13713040^2 .

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 220105132520201 - 2²⁶ = 220105065411337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220105132520291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545225 + ... + 21278601.

It is an arithmetic number, because the mean of its divisors is an integer number (28461938689665).

Almost surely, 2^{220105132520201} is an apocalyptic number.

It is an amenable number.

220105132520201 is a deficient number, since it is larger than the sum of its proper divisors (7590376997119).

220105132520201 is a wasteful number, since it uses less digits than its factorization.

220105132520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18161403.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 220105132520201 in words is "two hundred twenty trillion, one hundred five billion, one hundred thirty-two million, five hundred twenty thousand, two hundred one".