220405054 has 16 divisors (see below), whose sum is σ = 348630480. Its totient is φ = 104215680.

The previous prime is 220405019. The next prime is 220405063. The reversal of 220405054 is 450504022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17644 + ... + 27424.

It is an arithmetic number, because the mean of its divisors is an integer number (21789405).

Almost surely, 2^220405054 is an apocalyptic number.

220405054 is a deficient number, since it is larger than the sum of its proper divisors (128225426).

220405054 is a wasteful number, since it uses less digits than its factorization.

220405054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 220405054 is about 14846.0450625747. The cubic root of 220405054 is about 604.0513365865.

Adding to 220405054 its reverse (450504022), we get a palindrome (670909076).

The spelling of 220405054 in words is "two hundred twenty million, four hundred five thousand, fifty-four".