30002231220 has 48 divisors (see below), whose sum is σ = 90468268800. Its totient is φ = 7385164416.

The previous prime is 30002231197. The next prime is 30002231221. The reversal of 30002231220 is 2213220003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30002231220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002231221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19231420 + ... + 19232979.

It is an arithmetic number, because the mean of its divisors is an integer number (1884755600).

Almost surely, 2^30002231220 is an apocalyptic number.

30002231220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30002231220 is an abundant number, since it is smaller than the sum of its proper divisors (60466037580).

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

30002231220 is a wasteful number, since it uses less digits than its factorization.

30002231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464424 (or 38464422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30002231220 its reverse (2213220003), we get a palindrome (32215451223).

The spelling of 30002231220 in words is "thirty billion, two million, two hundred thirty-one thousand, two hundred twenty".