30010220020 has 96 divisors (see below), whose sum is σ = 73988764416. Its totient is φ = 10102425600.

The previous prime is 30010219873. The next prime is 30010220039. The reversal of 30010220020 is 2002201003.

It is a super-2 number, since 2×30010220020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30010219979 and 30010220006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162369 + ... + 293911.

It is an arithmetic number, because the mean of its divisors is an integer number (770716296).

Almost surely, 2^30010220020 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 30010220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36994382208).

30010220020 is an abundant number, since it is smaller than the sum of its proper divisors (43978544396).

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

30010220020 is a wasteful number, since it uses less digits than its factorization.

30010220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131641 (or 131639 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 30010220020 its reverse (2002201003), we get a palindrome (32012421023).

The spelling of 30010220020 in words is "thirty billion, ten million, two hundred twenty thousand, twenty".