30529052820 has 192 divisors, whose sum is σ = 108639498240. Its totient is φ = 6972172416.

The previous prime is 30529052797. The next prime is 30529052821. The reversal of 30529052820 is 2825092503.

30529052820 is a `hidden beast` number, since 3 + 0 + 529 + 0 + 52 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30529052821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5754289 + ... + 5759591.

It is an arithmetic number, because the mean of its divisors is an integer number (565830720).

Almost surely, 2^30529052820 is an apocalyptic number.

30529052820 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 30529052820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54319749120).

30529052820 is an abundant number, since it is smaller than the sum of its proper divisors (78110445420).

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

30529052820 is a wasteful number, since it uses less digits than its factorization.

30529052820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 30529052820 in words is "thirty billion, five hundred twenty-nine million, fifty-two thousand, eight hundred twenty".