20154203072133 has 16 divisors (see below), whose sum is σ = 29167237564416. Its totient is φ = 12304928341440.

The previous prime is 20154203072123. The next prime is 20154203072137. The reversal of 20154203072133 is 33127030245102.

It is not a de Polignac number, because 20154203072133 - 2¹² = 20154203068037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20154203072094 and 20154203072103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154203072137) 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, 2034540078 + ... + 2034549983.

It is an arithmetic number, because the mean of its divisors is an integer number (1822952347776).

Almost surely, 2^{20154203072133} is an apocalyptic number.

It is an amenable number.

20154203072133 is a deficient number, since it is larger than the sum of its proper divisors (9013034492283).

20154203072133 is a wasteful number, since it uses less digits than its factorization.

20154203072133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069090204.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20154203072133 in words is "twenty trillion, one hundred fifty-four billion, two hundred three million, seventy-two thousand, one hundred thirty-three".