30221020332 has 36 divisors (see below), whose sum is σ = 76397453496. Its totient is φ = 10072957440.

The previous prime is 30221020331. The next prime is 30221020363. The reversal of 30221020332 is 23302012203.

It is a happy number.

30221020332 is a `hidden beast` number, since 302 + 2 + 10 + 20 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (30221020331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799483 + ... + 836429.

It is an arithmetic number, because the mean of its divisors is an integer number (2122151486).

Almost surely, 2^30221020332 is an apocalyptic number.

It is an amenable number.

30221020332 is an abundant number, since it is smaller than the sum of its proper divisors (46176433164).

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

30221020332 is a wasteful number, since it uses less digits than its factorization.

30221020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59678 (or 59673 counting only the distinct ones).

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

Adding to 30221020332 its reverse (23302012203), we get a palindrome (53523032535).

The spelling of 30221020332 in words is "thirty billion, two hundred twenty-one million, twenty thousand, three hundred thirty-two".