30002200020 has 144 divisors (see below), whose sum is σ = 98115937920. Its totient is φ = 7376963328.

The previous prime is 30002200001. The next prime is 30002200073. The reversal of 30002200020 is 2000220003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30002199975 and 30002200011.

It is a congruent number.

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, 2256151 + ... + 2269409.

It is an arithmetic number, because the mean of its divisors is an integer number (681360680).

Almost surely, 2^30002200020 is an apocalyptic number.

30002200020 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 30002200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49057968960).

30002200020 is an abundant number, since it is smaller than the sum of its proper divisors (68113737900).

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

30002200020 is a wasteful number, since it uses less digits than its factorization.

30002200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254 (or 14249 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 30002200020 its reverse (2000220003), we get a palindrome (32002420023).

The spelling of 30002200020 in words is "thirty billion, two million, two hundred thousand, twenty".