20000120133 has 48 divisors (see below), whose sum is σ = 31588488000. Its totient is φ = 11219943168.

The previous prime is 20000120131. The next prime is 20000120167. The reversal of 20000120133 is 33102100002.

It is a happy number.

It is not a de Polignac number, because 20000120133 - 2¹ = 20000120131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000120131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11178603 + ... + 11180391.

It is an arithmetic number, because the mean of its divisors is an integer number (658093500).

Almost surely, 2^20000120133 is an apocalyptic number.

It is an amenable number.

20000120133 is a deficient number, since it is larger than the sum of its proper divisors (11588367867).

20000120133 is a wasteful number, since it uses less digits than its factorization.

20000120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20000120133 its reverse (33102100002), we get a palindrome (53102220135).

The spelling of 20000120133 in words is "twenty billion, one hundred twenty thousand, one hundred thirty-three".