30020111232132 has 144 divisors (see below), whose sum is σ = 85158575413632. Its totient is φ = 8191452487680.

The previous prime is 30020111232103. The next prime is 30020111232143. The reversal of 30020111232132 is 23123211102003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30020111232099 and 30020111232108.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6937398 + ... + 10400370.

It is an arithmetic number, because the mean of its divisors is an integer number (591378995928).

Almost surely, 2^{30020111232132} 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 30020111232132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42579287706816).

30020111232132 is an abundant number, since it is smaller than the sum of its proper divisors (55138464181500).

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

30020111232132 is a wasteful number, since it uses less digits than its factorization.

30020111232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463658 (or 3463649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30020111232132 its reverse (23123211102003), we get a palindrome (53143322334135).

The spelling of 30020111232132 in words is "thirty trillion, twenty billion, one hundred eleven million, two hundred thirty-two thousand, one hundred thirty-two".