20133140155 has 8 divisors (see below), whose sum is σ = 24197462784. Its totient is φ = 16081382400.

The previous prime is 20133140147. The next prime is 20133140179. The reversal of 20133140155 is 55104133102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20133140155 - 2³ = 20133140147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137691 + ... + 3144100.

It is an arithmetic number, because the mean of its divisors is an integer number (3024682848).

Almost surely, 2^20133140155 is an apocalyptic number.

20133140155 is a deficient number, since it is larger than the sum of its proper divisors (4064322629).

20133140155 is an equidigital number, since it uses as much as digits as its factorization.

20133140155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282437.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 20133140155 its reverse (55104133102), we get a palindrome (75237273257).

The spelling of 20133140155 in words is "twenty billion, one hundred thirty-three million, one hundred forty thousand, one hundred fifty-five".