30443401220 has 24 divisors (see below), whose sum is σ = 66710758464. Its totient is φ = 11647909856.

The previous prime is 30443401213. The next prime is 30443401237. The reversal of 30443401220 is 2210434403.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 7 ways as a sum of consecutive naturals, for example, 33090194 + ... + 33091113.

It is an arithmetic number, because the mean of its divisors is an integer number (2779614936).

Almost surely, 2^30443401220 is an apocalyptic number.

It is an amenable number.

30443401220 is an abundant number, since it is smaller than the sum of its proper divisors (36267357244).

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

30443401220 is a wasteful number, since it uses less digits than its factorization.

30443401220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66181339 (or 66181337 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30443401220 its reverse (2210434403), we get a palindrome (32653835623).

The spelling of 30443401220 in words is "thirty billion, four hundred forty-three million, four hundred one thousand, two hundred twenty".