30020532534 has 24 divisors (see below), whose sum is σ = 65331035640. Its totient is φ = 9962759808.

The previous prime is 30020532511. The next prime is 30020532623. The reversal of 30020532534 is 43523502003.

30020532534 is a `hidden beast` number, since 300 + 2 + 0 + 5 + 325 + 34 = 666.

It is a super-2 number, since 2×30020532534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30020532498 and 30020532507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3669499 + ... + 3677670.

It is an arithmetic number, because the mean of its divisors is an integer number (2722126485).

Almost surely, 2^30020532534 is an apocalyptic number.

30020532534 is an abundant number, since it is smaller than the sum of its proper divisors (35310503106).

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

30020532534 is a wasteful number, since it uses less digits than its factorization.

30020532534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347404 (or 7347401 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The spelling of 30020532534 in words is "thirty billion, twenty million, five hundred thirty-two thousand, five hundred thirty-four".