30520205102442 has 64 divisors (see below), whose sum is σ = 66618708266880. Its totient is φ = 9244496659200.

The previous prime is 30520205102353. The next prime is 30520205102461. The reversal of 30520205102442 is 24420150202503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2490829188 + ... + 2490841440.

It is an arithmetic number, because the mean of its divisors is an integer number (1040917316670).

Almost surely, 2^{30520205102442} is an apocalyptic number.

30520205102442 is an abundant number, since it is smaller than the sum of its proper divisors (36098503164438).

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

30520205102442 is a wasteful number, since it uses less digits than its factorization.

30520205102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 30520205102442 its reverse (24420150202503), we get a palindrome (54940355304945).

The spelling of 30520205102442 in words is "thirty trillion, five hundred twenty billion, two hundred five million, one hundred two thousand, four hundred forty-two".