220038672 has 40 divisors (see below), whose sum is σ = 649638976. Its totient is φ = 62868096.

The previous prime is 220038649. The next prime is 220038703. The reversal of 220038672 is 276830022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327103 + ... + 327774.

Almost surely, 2^220038672 is an apocalyptic number.

It is an amenable number.

220038672 is an abundant number, since it is smaller than the sum of its proper divisors (429600304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220038672 is a wasteful number, since it uses less digits than its factorization.

220038672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654895 (or 654889 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 220038672 is about 14833.7005497617. The cubic root of 220038672 is about 603.7164436596.

Adding to 220038672 its reverse (276830022), we get a palindrome (496868694).

The spelling of 220038672 in words is "two hundred twenty million, thirty-eight thousand, six hundred seventy-two".