220143004 has 6 divisors (see below), whose sum is σ = 385250264. Its totient is φ = 110071500.

The previous prime is 220142963. The next prime is 220143029. The reversal of 220143004 is 400341022.

It is a super-3 number, since 3×220143004³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517872 + ... + 27517879.

Almost surely, 2^220143004 is an apocalyptic number.

It is an amenable number.

220143004 is a deficient number, since it is larger than the sum of its proper divisors (165107260).

220143004 is a wasteful number, since it uses less digits than its factorization.

220143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55035755 (or 55035753 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220143004 is about 14837.2168549226. The cubic root of 220143004 is about 603.8118465736.

Adding to 220143004 its reverse (400341022), we get a palindrome (620484026).

The spelling of 220143004 in words is "two hundred twenty million, one hundred forty-three thousand, four".