20015354133 has 12 divisors (see below), whose sum is σ = 28928473600. Its totient is φ = 13335535656.

The previous prime is 20015354113. The next prime is 20015354171. The reversal of 20015354133 is 33145351002.

20015354133 is a `hidden beast` number, since 200 + 15 + 35 + 413 + 3 = 666.

It is not a de Polignac number, because 20015354133 - 2⁸ = 20015353877 is a prime.

It is a super-2 number, since 2×20015354133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20015354097 and 20015354106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015354113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653683 + ... + 683616.

Almost surely, 2^20015354133 is an apocalyptic number.

It is an amenable number.

20015354133 is a deficient number, since it is larger than the sum of its proper divisors (8913119467).

20015354133 is a wasteful number, since it uses less digits than its factorization.

20015354133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338968 (or 1338965 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 20015354133 in words is "twenty billion, fifteen million, three hundred fifty-four thousand, one hundred thirty-three".