220421432330 has 48 divisors (see below), whose sum is σ = 437092038432. Its totient is φ = 79972120800.

The previous prime is 220421432299. The next prime is 220421432359. The reversal of 220421432330 is 33234124022.

It is a self number, because there is not a number n which added to its sum of digits gives 220421432330.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 330425 + ... + 741635.

It is an arithmetic number, because the mean of its divisors is an integer number (9106084134).

Almost surely, 2^220421432330 is an apocalyptic number.

220421432330 is a deficient number, since it is larger than the sum of its proper divisors (216670606102).

220421432330 is a wasteful number, since it uses less digits than its factorization.

220421432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411683 (or 411672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 220421432330 its reverse (33234124022), we get a palindrome (253655556352).

The spelling of 220421432330 in words is "two hundred twenty billion, four hundred twenty-one million, four hundred thirty-two thousand, three hundred thirty".