30021223032 has 192 divisors, whose sum is σ = 89078240160. Its totient is φ = 9096192000.

The previous prime is 30021223027. The next prime is 30021223079. The reversal of 30021223032 is 23032212003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30021222996 and 30021223014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5065623 + ... + 5071545.

Almost surely, 2^30021223032 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 30021223032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44539120080).

30021223032 is an abundant number, since it is smaller than the sum of its proper divisors (59057017128).

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

30021223032 is a wasteful number, since it uses less digits than its factorization.

30021223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094 (or 6087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30021223032 its reverse (23032212003), we get a palindrome (53053435035).

The spelling of 30021223032 in words is "thirty billion, twenty-one million, two hundred twenty-three thousand, thirty-two".