20416153265655 has 48 divisors (see below), whose sum is σ = 38143527865344. Its totient is φ = 9297611480640.

The previous prime is 20416153265621. The next prime is 20416153265773. The reversal of 20416153265655 is 55656235161402.

It is not a de Polignac number, because 20416153265655 - 2⁸ = 20416153265399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20416153265598 and 20416153265607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52614831 + ... + 53001440.

It is an arithmetic number, because the mean of its divisors is an integer number (794656830528).

Almost surely, 2^{20416153265655} is an apocalyptic number.

20416153265655 is a deficient number, since it is larger than the sum of its proper divisors (17727374599689).

20416153265655 is a wasteful number, since it uses less digits than its factorization.

20416153265655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105616556 (or 105616549 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 20416153265655 in words is "twenty trillion, four hundred sixteen billion, one hundred fifty-three million, two hundred sixty-five thousand, six hundred fifty-five".