220134001 has 2 divisors, whose sum is σ = 220134002. Its totient is φ = 220134000.

The previous prime is 220133987. The next prime is 220134067. The reversal of 220134001 is 100431022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219010401 + 1123600 = 14799^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 220134001 - 2⁷ = 220133873 is a prime.

It is not a weakly prime, because it can be changed into another prime (220134091) 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 as a sum of consecutive naturals, namely, 110067000 + 110067001.

It is an arithmetic number, because the mean of its divisors is an integer number (110067001).

Almost surely, 2^220134001 is an apocalyptic number.

It is an amenable number.

220134001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220134001 is an equidigital number, since it uses as much as digits as its factorization.

220134001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220134001 is about 14836.9134593419. The cubic root of 220134001 is about 603.8036152693.

Adding to 220134001 its reverse (100431022), we get a palindrome (320565023).

The spelling of 220134001 in words is "two hundred twenty million, one hundred thirty-four thousand, one".