18520603130 has 16 divisors (see below), whose sum is σ = 33353282304. Its totient is φ = 7404642000.

The previous prime is 18520603109. The next prime is 18520603183. The reversal of 18520603130 is 3130602581.

It is a junction number, because it is equal to n+sod(n) for n = 18520603093 and 18520603102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428246 + ... + 469505.

It is an arithmetic number, because the mean of its divisors is an integer number (2084580144).

Almost surely, 2^18520603130 is an apocalyptic number.

18520603130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18520603130 is a deficient number, since it is larger than the sum of its proper divisors (14832679174).

18520603130 is a wasteful number, since it uses less digits than its factorization.

18520603130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899821.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 18520603130 in words is "eighteen billion, five hundred twenty million, six hundred three thousand, one hundred thirty".