30113020020 has 144 divisors (see below), whose sum is σ = 89333532288. Its totient is φ = 7564803840.

The previous prime is 30113020001. The next prime is 30113020027. The reversal of 30113020020 is 2002031103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30113019978 and 30113020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113020027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6192390 + ... + 6197250.

It is an arithmetic number, because the mean of its divisors is an integer number (620371752).

Almost surely, 2^30113020020 is an apocalyptic number.

30113020020 is a gapful number since it is divisible by the number (30) 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 30113020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44666766144).

30113020020 is an abundant number, since it is smaller than the sum of its proper divisors (59220512268).

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

30113020020 is a wasteful number, since it uses less digits than its factorization.

30113020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30113020020 its reverse (2002031103), we get a palindrome (32115051123).

The spelling of 30113020020 in words is "thirty billion, one hundred thirteen million, twenty thousand, twenty".