20320648560130 has 16 divisors (see below), whose sum is σ = 36577591195320. Its totient is φ = 8128165249152.

The previous prime is 20320648560109. The next prime is 20320648560161. The reversal of 20320648560130 is 3106584602302.

It can be written as a sum of positive squares in 4 ways, for example, as 11697774880401 + 8622873679729 = 3420201^2 + 2936473^2 .

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, 10862259 + ... + 12594838.

Almost surely, 2^{20320648560130} is an apocalyptic number.

20320648560130 is a deficient number, since it is larger than the sum of its proper divisors (16256942635190).

20320648560130 is a wasteful number, since it uses less digits than its factorization.

20320648560130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23543733.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 20320648560130 in words is "twenty trillion, three hundred twenty billion, six hundred forty-eight million, five hundred sixty thousand, one hundred thirty".