220254512005 has 32 divisors (see below), whose sum is σ = 310298853888. Its totient is φ = 148290892800.

The previous prime is 220254511993. The next prime is 220254512047. The reversal of 220254512005 is 500215452022.

It is not a de Polignac number, because 220254512005 - 2¹⁷ = 220254380933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1873837 + ... + 1987906.

It is an arithmetic number, because the mean of its divisors is an integer number (9696839184).

Almost surely, 2^220254512005 is an apocalyptic number.

It is an amenable number.

220254512005 is a deficient number, since it is larger than the sum of its proper divisors (90044341883).

220254512005 is a wasteful number, since it uses less digits than its factorization.

220254512005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861837.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 220254512005 its reverse (500215452022), we get a palindrome (720469964027).

The spelling of 220254512005 in words is "two hundred twenty billion, two hundred fifty-four million, five hundred twelve thousand, five".