30520125603072 has 504 divisors, whose sum is σ = 106934545488960. Its totient is φ = 8507337154560.

The previous prime is 30520125603049. The next prime is 30520125603103. The reversal of 30520125603072 is 27030652102503.

30520125603072 is a `hidden beast` number, since 3 + 0 + 5 + 20 + 1 + 2 + 560 + 3 + 0 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 53276179 + ... + 53845997.

It is an arithmetic number, because the mean of its divisors is an integer number (212171717240).

Almost surely, 2^{30520125603072} is an apocalyptic number.

30520125603072 is a gapful number since it is divisible by the number (32) 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 30520125603072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53467272744480).

30520125603072 is an abundant number, since it is smaller than the sum of its proper divisors (76414419885888).

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

30520125603072 is an frugal number, since it uses more digits than its factorization.

30520125603072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569901 (or 569872 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 30520125603072 its reverse (27030652102503), we get a palindrome (57550777705575).

The spelling of 30520125603072 in words is "thirty trillion, five hundred twenty billion, one hundred twenty-five million, six hundred three thousand, seventy-two".