20403034150255 has 32 divisors (see below), whose sum is σ = 26765214854400. Its totient is φ = 14878310211072.

The previous prime is 20403034150159. The next prime is 20403034150267. The reversal of 20403034150255 is 55205143030402.

It is a cyclic number.

It is not a de Polignac number, because 20403034150255 - 2¹¹ = 20403034148207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20403034150255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36999610 + ... + 37546999.

It is an arithmetic number, because the mean of its divisors is an integer number (836412964200).

Almost surely, 2^{20403034150255} is an apocalyptic number.

20403034150255 is a deficient number, since it is larger than the sum of its proper divisors (6362180704145).

20403034150255 is a wasteful number, since it uses less digits than its factorization.

20403034150255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74546743.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 20403034150255 its reverse (55205143030402), we get a palindrome (75608177180657).

The spelling of 20403034150255 in words is "twenty trillion, four hundred three billion, thirty-four million, one hundred fifty thousand, two hundred fifty-five".