20514546161403 has 32 divisors (see below), whose sum is σ = 31282111418880. Its totient is φ = 11714406762240.

The previous prime is 20514546161341. The next prime is 20514546161429. The reversal of 20514546161403 is 30416164541502.

It is not a de Polignac number, because 20514546161403 - 2⁶ = 20514546161339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20514546161443) 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, 176273013 + ... + 176389353.

It is an arithmetic number, because the mean of its divisors is an integer number (977565981840).

Almost surely, 2^{20514546161403} is an apocalyptic number.

20514546161403 is a deficient number, since it is larger than the sum of its proper divisors (10767565257477).

20514546161403 is a wasteful number, since it uses less digits than its factorization.

20514546161403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122147.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20514546161403 in words is "twenty trillion, five hundred fourteen billion, five hundred forty-six million, one hundred sixty-one thousand, four hundred three".