30216028920 has 256 divisors, whose sum is σ = 113268326400. Its totient is φ = 6264629760.

The previous prime is 30216028919. The next prime is 30216028933. The reversal of 30216028920 is 2982061203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4422547 + ... + 4429373.

It is an arithmetic number, because the mean of its divisors is an integer number (442454400).

Almost surely, 2^30216028920 is an apocalyptic number.

30216028920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30216028920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56634163200).

30216028920 is an abundant number, since it is smaller than the sum of its proper divisors (83052297480).

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

30216028920 is a wasteful number, since it uses less digits than its factorization.

30216028920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338 (or 7334 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 30216028920 in words is "thirty billion, two hundred sixteen million, twenty-eight thousand, nine hundred twenty".