30002211220 has 12 divisors (see below), whose sum is σ = 63004643604. Its totient is φ = 12000884480.

The previous prime is 30002211191. The next prime is 30002211229. The reversal of 30002211220 is 2211220003.

It can be written as a sum of positive squares in 2 ways, for example, as 15004290064 + 14997921156 = 122492^2 + 122466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30002211220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002211229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750055261 + ... + 750055300.

It is an arithmetic number, because the mean of its divisors is an integer number (5250386967).

Almost surely, 2^30002211220 is an apocalyptic number.

It is an amenable number.

30002211220 is an abundant number, since it is smaller than the sum of its proper divisors (33002432384).

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

30002211220 is a wasteful number, since it uses less digits than its factorization.

30002211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500110570 (or 1500110568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30002211220 its reverse (2211220003), we get a palindrome (32213431223).

The spelling of 30002211220 in words is "thirty billion, two million, two hundred eleven thousand, two hundred twenty".