30220948945 has 8 divisors (see below), whose sum is σ = 39561969600. Its totient is φ = 21978871920.

The previous prime is 30220948931. The next prime is 30220948949. The reversal of 30220948945 is 54984902203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30220948945 - 2¹³ = 30220940753 is a prime.

It is a super-2 number, since 2×30220948945² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220948895 and 30220948904.

It is not an unprimeable number, because it can be changed into a prime (30220948949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274735845 + ... + 274735954.

It is an arithmetic number, because the mean of its divisors is an integer number (4945246200).

Almost surely, 2^30220948945 is an apocalyptic number.

It is an amenable number.

30220948945 is a deficient number, since it is larger than the sum of its proper divisors (9341020655).

30220948945 is a wasteful number, since it uses less digits than its factorization.

30220948945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549471815.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 30220948945 in words is "thirty billion, two hundred twenty million, nine hundred forty-eight thousand, nine hundred forty-five".