30520054666346 has 32 divisors (see below), whose sum is σ = 52541908917120. Its totient is φ = 13024685044800.

The previous prime is 30520054666223. The next prime is 30520054666349. The reversal of 30520054666346 is 64366645002503.

It is a junction number, because it is equal to n+sod(n) for n = 30520054666294 and 30520054666303.

It is not an unprimeable number, because it can be changed into a prime (30520054666349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635065 + ... + 7982076.

It is an arithmetic number, because the mean of its divisors is an integer number (1641934653660).

Almost surely, 2^{30520054666346} is an apocalyptic number.

30520054666346 is a deficient number, since it is larger than the sum of its proper divisors (22021854250774).

30520054666346 is a wasteful number, since it uses less digits than its factorization.

30520054666346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618110.

The product of its (nonzero) digits is 9331200, while the sum is 50.

Adding to 30520054666346 its reverse (64366645002503), we get a palindrome (94886699668849).

The spelling of 30520054666346 in words is "thirty trillion, five hundred twenty billion, fifty-four million, six hundred sixty-six thousand, three hundred forty-six".