30212223020 has 72 divisors (see below), whose sum is σ = 74633620320. Its totient is φ = 10242059520.

The previous prime is 30212223017. The next prime is 30212223023. The reversal of 30212223020 is 2032221203.

It is an interprime number because it is at equal distance from previous prime (30212223017) and next prime (30212223023).

It is a self number, because there is not a number n which added to its sum of digits gives 30212223020.

It is not an unprimeable number, because it can be changed into a prime (30212223023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85976 + ... + 260415.

It is an arithmetic number, because the mean of its divisors is an integer number (1036578060).

Almost surely, 2^30212223020 is an apocalyptic number.

It is an amenable number.

30212223020 is an abundant number, since it is smaller than the sum of its proper divisors (44421397300).

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

30212223020 is a wasteful number, since it uses less digits than its factorization.

30212223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346503 (or 346494 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30212223020 its reverse (2032221203), we get a palindrome (32244444223).

The spelling of 30212223020 in words is "thirty billion, two hundred twelve million, two hundred twenty-three thousand, twenty".