30404055220 has 48 divisors (see below), whose sum is σ = 79603348608. Its totient is φ = 9476588160.

The previous prime is 30404055217. The next prime is 30404055221. The reversal of 30404055220 is 2255040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404055221) 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, 9869907 + ... + 9872986.

It is an arithmetic number, because the mean of its divisors is an integer number (1658403096).

Almost surely, 2^30404055220 is an apocalyptic number.

It is an amenable number.

30404055220 is an abundant number, since it is smaller than the sum of its proper divisors (49199293388).

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

30404055220 is a wasteful number, since it uses less digits than its factorization.

30404055220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742920 (or 19742918 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 30404055220 its reverse (2255040403), we get a palindrome (32659095623).

The spelling of 30404055220 in words is "thirty billion, four hundred four million, fifty-five thousand, two hundred twenty".