30206241520 has 160 divisors (see below), whose sum is σ = 86638204800. Its totient is φ = 9537454080.

The previous prime is 30206241503. The next prime is 30206241557. The reversal of 30206241520 is 2514260203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3264100 + ... + 3273340.

It is an arithmetic number, because the mean of its divisors is an integer number (541488780).

Almost surely, 2^30206241520 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 30206241520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43319102400).

30206241520 is an abundant number, since it is smaller than the sum of its proper divisors (56431963280).

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

30206241520 is a wasteful number, since it uses less digits than its factorization.

30206241520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723 (or 9717 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 30206241520 in words is "thirty billion, two hundred six million, two hundred forty-one thousand, five hundred twenty".