20413542655163 has 32 divisors (see below), whose sum is σ = 24108342128640. Its totient is φ = 16914615120000.

The previous prime is 20413542655157. The next prime is 20413542655171. The reversal of 20413542655163 is 36155624531402.

It is a cyclic number.

It is not a de Polignac number, because 20413542655163 - 2⁴ = 20413542655147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413542655153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207822013 + ... + 1207838913.

It is an arithmetic number, because the mean of its divisors is an integer number (753385691520).

Almost surely, 2^{20413542655163} is an apocalyptic number.

20413542655163 is a deficient number, since it is larger than the sum of its proper divisors (3694799473477).

20413542655163 is a wasteful number, since it uses less digits than its factorization.

20413542655163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22619.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 20413542655163 in words is "twenty trillion, four hundred thirteen billion, five hundred forty-two million, six hundred fifty-five thousand, one hundred sixty-three".