30320001852 has 72 divisors (see below), whose sum is σ = 82397745360. Its totient is φ = 8652268800.

The previous prime is 30320001851. The next prime is 30320001853. The reversal of 30320001852 is 25810002303.

It is an interprime number because it is at equal distance from previous prime (30320001851) and next prime (30320001853).

It is a super-3 number, since 3×30320001852³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320001851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456352 + ... + 518552.

It is an arithmetic number, because the mean of its divisors is an integer number (1144413130).

Almost surely, 2^30320001852 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 30320001852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41198872680).

30320001852 is an abundant number, since it is smaller than the sum of its proper divisors (52077743508).

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

30320001852 is a wasteful number, since it uses less digits than its factorization.

30320001852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63051 (or 63042 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 30320001852 in words is "thirty billion, three hundred twenty million, one thousand, eight hundred fifty-two".