220430366 has 16 divisors (see below), whose sum is σ = 359754864. Its totient is φ = 100687104.

The previous prime is 220430359. The next prime is 220430383. The reversal of 220430366 is 663034022.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 41180 + ... + 46223.

It is an arithmetic number, because the mean of its divisors is an integer number (22484679).

Almost surely, 2^220430366 is an apocalyptic number.

220430366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220430366 is a deficient number, since it is larger than the sum of its proper divisors (139324498).

220430366 is a wasteful number, since it uses less digits than its factorization.

220430366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87515.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 220430366 is about 14846.8975210311. The cubic root of 220430366 is about 604.0744594110.

Adding to 220430366 its reverse (663034022), we get a palindrome (883464388).

The spelling of 220430366 in words is "two hundred twenty million, four hundred thirty thousand, three hundred sixty-six".