20235700245255 has 32 divisors (see below), whose sum is σ = 35320798027008. Its totient is φ = 9811164422400.

The previous prime is 20235700245253. The next prime is 20235700245269. The reversal of 20235700245255 is 55254200753202.

It is a happy number.

It is not a de Polignac number, because 20235700245255 - 2¹ = 20235700245253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235700245251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21564972 + ... + 22483758.

It is an arithmetic number, because the mean of its divisors is an integer number (1103774938344).

Almost surely, 2^{20235700245255} is an apocalyptic number.

20235700245255 is a deficient number, since it is larger than the sum of its proper divisors (15085097781753).

20235700245255 is a wasteful number, since it uses less digits than its factorization.

20235700245255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052287.

The product of its (nonzero) digits is 840000, while the sum is 42.

Adding to 20235700245255 its reverse (55254200753202), we get a palindrome (75489900998457).

The spelling of 20235700245255 in words is "twenty trillion, two hundred thirty-five billion, seven hundred million, two hundred forty-five thousand, two hundred fifty-five".