20104152255 has 24 divisors (see below), whose sum is σ = 38015125200. Its totient is φ = 9747467520.

The previous prime is 20104152253. The next prime is 20104152293. The reversal of 20104152255 is 55225140102.

20104152255 is a `hidden beast` number, since 20 + 1 + 0 + 415 + 225 + 5 = 666.

It is not a de Polignac number, because 20104152255 - 2¹ = 20104152253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104152253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20306730 + ... + 20307719.

It is an arithmetic number, because the mean of its divisors is an integer number (1583963550).

Almost surely, 2^20104152255 is an apocalyptic number.

20104152255 is a deficient number, since it is larger than the sum of its proper divisors (17910972945).

20104152255 is a wasteful number, since it uses less digits than its factorization.

20104152255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40614471 (or 40614468 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 20104152255 its reverse (55225140102), we get a palindrome (75329292357).

The spelling of 20104152255 in words is "twenty billion, one hundred four million, one hundred fifty-two thousand, two hundred fifty-five".