30020511345 has 16 divisors (see below), whose sum is σ = 52399438272. Its totient is φ = 14555399360.

The previous prime is 30020511307. The next prime is 30020511349. The reversal of 30020511345 is 54311502003.

It is not a de Polignac number, because 30020511345 - 2⁷ = 30020511217 is a prime.

It is a super-2 number, since 2×30020511345² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30020511349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90971082 + ... + 90971411.

It is an arithmetic number, because the mean of its divisors is an integer number (3274964892).

Almost surely, 2^30020511345 is an apocalyptic number.

It is an amenable number.

30020511345 is a deficient number, since it is larger than the sum of its proper divisors (22378926927).

30020511345 is a wasteful number, since it uses less digits than its factorization.

30020511345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181942512.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 30020511345 in words is "thirty billion, twenty million, five hundred eleven thousand, three hundred forty-five".