20047510502116 has 6 divisors (see below), whose sum is σ = 35083143378710. Its totient is φ = 10023755251056.

The previous prime is 20047510502099. The next prime is 20047510502143. The reversal of 20047510502116 is 61120501574002.

It can be written as a sum of positive squares in only one way, i.e., 11525373169216 + 8522137332900 = 3394904^2 + 2919270^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505938812761 + ... + 2505938812768.

Almost surely, 2^{20047510502116} is an apocalyptic number.

It is an amenable number.

20047510502116 is a deficient number, since it is larger than the sum of its proper divisors (15035632876594).

20047510502116 is a wasteful number, since it uses less digits than its factorization.

20047510502116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011877625533 (or 5011877625531 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 20047510502116 in words is "twenty trillion, forty-seven billion, five hundred ten million, five hundred two thousand, one hundred sixteen".