220124001 has 4 divisors (see below), whose sum is σ = 293498672. Its totient is φ = 146749332.

The previous prime is 220123951. The next prime is 220124033. The reversal of 220124001 is 100421022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220124001 - 2¹¹ = 220121953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220124071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36687331 + ... + 36687336.

It is an arithmetic number, because the mean of its divisors is an integer number (73374668).

Almost surely, 2^220124001 is an apocalyptic number.

It is an amenable number.

220124001 is a deficient number, since it is larger than the sum of its proper divisors (73374671).

220124001 is an equidigital number, since it uses as much as digits as its factorization.

220124001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73374670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220124001 is about 14836.5764581995. The cubic root of 220124001 is about 603.7944721602.

Adding to 220124001 its reverse (100421022), we get a palindrome (320545023).

The spelling of 220124001 in words is "two hundred twenty million, one hundred twenty-four thousand, one".