30163423220 has 48 divisors (see below), whose sum is σ = 72402398208. Its totient is φ = 10340290560.

The previous prime is 30163423217. The next prime is 30163423253. The reversal of 30163423220 is 2232436103.

It is a self number, because there is not a number n which added to its sum of digits gives 30163423220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585565 + ... + 1604475.

It is an arithmetic number, because the mean of its divisors is an integer number (1508383296).

Almost surely, 2^30163423220 is an apocalyptic number.

It is an amenable number.

30163423220 is an abundant number, since it is smaller than the sum of its proper divisors (42238974988).

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

30163423220 is a wasteful number, since it uses less digits than its factorization.

30163423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30320 (or 30318 counting only the distinct ones).

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

Adding to 30163423220 its reverse (2232436103), we get a palindrome (32395859323).

The spelling of 30163423220 in words is "thirty billion, one hundred sixty-three million, four hundred twenty-three thousand, two hundred twenty".