30221011996 has 96 divisors (see below), whose sum is σ = 65926852992. Its totient is φ = 11824496640.

The previous prime is 30221011967. The next prime is 30221012009. The reversal of 30221011996 is 69911012203.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6214606 + ... + 6219466.

It is an arithmetic number, because the mean of its divisors is an integer number (686738052).

Almost surely, 2^30221011996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221011996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32963426496).

30221011996 is an abundant number, since it is smaller than the sum of its proper divisors (35705840996).

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

30221011996 is a wasteful number, since it uses less digits than its factorization.

30221011996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5277 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 30221011996 in words is "thirty billion, two hundred twenty-one million, eleven thousand, nine hundred ninety-six".