220001135 has 8 divisors (see below), whose sum is σ = 264291120. Its totient is φ = 175807744.

The previous prime is 220001113. The next prime is 220001137. The reversal of 220001135 is 531100022.

It is a happy number.

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 220001135 - 2¹² = 219997039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001137) 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, 19037 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (33036390).

Almost surely, 2^220001135 is an apocalyptic number.

220001135 is a deficient number, since it is larger than the sum of its proper divisors (44289985).

220001135 is an equidigital number, since it uses as much as digits as its factorization.

220001135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48297.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 220001135 is about 14832.4352349842. The cubic root of 220001135 is about 603.6821118265.

Adding to 220001135 its reverse (531100022), we get a palindrome (751101157).

The spelling of 220001135 in words is "two hundred twenty million, one thousand, one hundred thirty-five".