30302220221300 has 144 divisors (see below), whose sum is σ = 68318565509040. Its totient is φ = 11656432189440.

The previous prime is 30302220221297. The next prime is 30302220221363. The reversal of 30302220221300 is 312202220303.

It can be written as a sum of positive squares in 24 ways, for example, as 7736642116324 + 22565578104976 = 2781482^2 + 4750324^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 275939204 + ... + 276048996.

Almost surely, 2^{30302220221300} 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 30302220221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34159282754520).

30302220221300 is an abundant number, since it is smaller than the sum of its proper divisors (38016345287740).

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

30302220221300 is a wasteful number, since it uses less digits than its factorization.

30302220221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110710 (or 110703 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30302220221300 its reverse (312202220303), we get a palindrome (30614422441603).

The spelling of 30302220221300 in words is "thirty trillion, three hundred two billion, two hundred twenty million, two hundred twenty-one thousand, three hundred".