220340001 has 8 divisors (see below), whose sum is σ = 335756224. Its totient is φ = 125908560.

The previous prime is 220339997. The next prime is 220340011. The reversal of 220340001 is 100043022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220340001 - 2² = 220339997 is a prime.

It is a super-3 number, since 3×220340001³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220340011) 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, 5246170 + ... + 5246211.

It is an arithmetic number, because the mean of its divisors is an integer number (41969528).

Almost surely, 2^220340001 is an apocalyptic number.

220340001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220340001 is a deficient number, since it is larger than the sum of its proper divisors (115416223).

220340001 is a wasteful number, since it uses less digits than its factorization.

220340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10492391.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220340001 is about 14843.8539806884. The cubic root of 220340001 is about 603.9919017451.

Adding to 220340001 its reverse (100043022), we get a palindrome (320383023).

The spelling of 220340001 in words is "two hundred twenty million, three hundred forty thousand, one".