220431054 has 16 divisors (see below), whose sum is σ = 442017792. Its totient is φ = 73284408.

The previous prime is 220431053. The next prime is 220431109. The reversal of 220431054 is 450134022.

It is a self number, because there is not a number n which added to its sum of digits gives 220431054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220431053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45664 + ... + 50259.

It is an arithmetic number, because the mean of its divisors is an integer number (27626112).

Almost surely, 2^220431054 is an apocalyptic number.

220431054 is an abundant number, since it is smaller than the sum of its proper divisors (221586738).

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

220431054 is a wasteful number, since it uses less digits than its factorization.

220431054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96311.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 220431054 is about 14846.9206908369. The cubic root of 220431054 is about 604.0750878828.

Adding to 220431054 its reverse (450134022), we get a palindrome (670565076).

The spelling of 220431054 in words is "two hundred twenty million, four hundred thirty-one thousand, fifty-four".