30520202340130 has 16 divisors (see below), whose sum is σ = 54936594191160. Its totient is φ = 12208029829632.

The previous prime is 30520202340077. The next prime is 30520202340143. The reversal of 30520202340130 is 3104320202503.

It can be written as a sum of positive squares in 4 ways, for example, as 24316052939161 + 6204149400969 = 4931131^2 + 2490813^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30520202340095 and 30520202340104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831375 + ... + 8701714.

Almost surely, 2^{30520202340130} is an apocalyptic number.

30520202340130 is a deficient number, since it is larger than the sum of its proper divisors (24416391851030).

30520202340130 is a wasteful number, since it uses less digits than its factorization.

30520202340130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776613.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30520202340130 its reverse (3104320202503), we get a palindrome (33624522542633).

The spelling of 30520202340130 in words is "thirty trillion, five hundred twenty billion, two hundred two million, three hundred forty thousand, one hundred thirty".