20555134130 has 8 divisors (see below), whose sum is σ = 36999241452. Its totient is φ = 8222053648.

The previous prime is 20555134123. The next prime is 20555134153. The reversal of 20555134130 is 3143155502.

It can be written as a sum of positive squares in 2 ways, for example, as 19508546929 + 1046587201 = 139673^2 + 32351^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20555134093 and 20555134102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1027756697 + ... + 1027756716.

Almost surely, 2^20555134130 is an apocalyptic number.

20555134130 is a deficient number, since it is larger than the sum of its proper divisors (16444107322).

20555134130 is a wasteful number, since it uses less digits than its factorization.

20555134130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055513420.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 20555134130 its reverse (3143155502), we get a palindrome (23698289632).

The spelling of 20555134130 in words is "twenty billion, five hundred fifty-five million, one hundred thirty-four thousand, one hundred thirty".