220401430 has 32 divisors (see below), whose sum is σ = 420806016. Its totient is φ = 82827264.

The previous prime is 220401397. The next prime is 220401431. The reversal of 220401430 is 34104022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220401431) 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 15 ways as a sum of consecutive naturals, for example, 165427 + ... + 166753.

It is an arithmetic number, because the mean of its divisors is an integer number (13150188).

Almost surely, 2^220401430 is an apocalyptic number.

220401430 is a deficient number, since it is larger than the sum of its proper divisors (200404586).

220401430 is a wasteful number, since it uses less digits than its factorization.

220401430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220401430 is about 14845.9230093652. The cubic root of 220401430 is about 604.0480258729.

Adding to 220401430 its reverse (34104022), we get a palindrome (254505452).

The spelling of 220401430 in words is "two hundred twenty million, four hundred one thousand, four hundred thirty".