20012130133 has 16 divisors (see below), whose sum is σ = 21473294400. Its totient is φ = 18592104960.

The previous prime is 20012130121. The next prime is 20012130139. The reversal of 20012130133 is 33103121002.

It is not a de Polignac number, because 20012130133 - 2²¹ = 20010032981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012130139) 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, 2988453 + ... + 2995141.

It is an arithmetic number, because the mean of its divisors is an integer number (1342080900).

Almost surely, 2^20012130133 is an apocalyptic number.

It is an amenable number.

20012130133 is a deficient number, since it is larger than the sum of its proper divisors (1461164267).

20012130133 is a wasteful number, since it uses less digits than its factorization.

20012130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20012130133 its reverse (33103121002), we get a palindrome (53115251135).

The spelling of 20012130133 in words is "twenty billion, twelve million, one hundred thirty thousand, one hundred thirty-three".