20033402570163 has 16 divisors (see below), whose sum is σ = 29701997865760. Its totient is φ = 13345304387328.

The previous prime is 20033402570131. The next prime is 20033402570171. The reversal of 20033402570163 is 36107520433002.

20033402570163 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 340 + 257 + 0 + 1 + 63 = 666.

It is not a de Polignac number, because 20033402570163 - 2⁵ = 20033402570131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033402570113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286001170 + ... + 286071207.

It is an arithmetic number, because the mean of its divisors is an integer number (1856374866610).

Almost surely, 2^{20033402570163} is an apocalyptic number.

20033402570163 is a deficient number, since it is larger than the sum of its proper divisors (9668595295597).

20033402570163 is a wasteful number, since it uses less digits than its factorization.

20033402570163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572073683 (or 572073677 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 20033402570163 in words is "twenty trillion, thirty-three billion, four hundred two million, five hundred seventy thousand, one hundred sixty-three".