20040033013155 has 48 divisors (see below), whose sum is σ = 34889491596960. Its totient is φ = 10640830694400.

The previous prime is 20040033013129. The next prime is 20040033013177. The reversal of 20040033013155 is 55131033004002.

20040033013155 is a `hidden beast` number, since 2 + 0 + 0 + 40 + 0 + 3 + 301 + 315 + 5 = 666.

It is not a de Polignac number, because 20040033013155 - 2²³ = 20040024624547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40738765 + ... + 41227745.

It is an arithmetic number, because the mean of its divisors is an integer number (726864408270).

Almost surely, 2^{20040033013155} is an apocalyptic number.

20040033013155 is a deficient number, since it is larger than the sum of its proper divisors (14849458583805).

20040033013155 is a wasteful number, since it uses less digits than its factorization.

20040033013155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493012 (or 493009 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 20040033013155 its reverse (55131033004002), we get a palindrome (75171066017157).

The spelling of 20040033013155 in words is "twenty trillion, forty billion, thirty-three million, thirteen thousand, one hundred fifty-five".