20000133105 has 16 divisors (see below), whose sum is σ = 32002030464. Its totient is φ = 10666131840.

The previous prime is 20000133103. The next prime is 20000133107. The reversal of 20000133105 is 50133100002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20000133103) and next prime (20000133107).

It is not a de Polignac number, because 20000133105 - 2¹ = 20000133103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20000133103) 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, 393765 + ... + 441645.

It is an arithmetic number, because the mean of its divisors is an integer number (2000126904).

Almost surely, 2^20000133105 is an apocalyptic number.

It is an amenable number.

20000133105 is a deficient number, since it is larger than the sum of its proper divisors (12001897359).

20000133105 is a wasteful number, since it uses less digits than its factorization.

20000133105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75736.

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 20000133105 its reverse (50133100002), we get a palindrome (70133233107).

The spelling of 20000133105 in words is "twenty billion, one hundred thirty-three thousand, one hundred five".