20115025505262 has 24 divisors (see below), whose sum is σ = 43582775464800. Its totient is φ = 6704974624320.

The previous prime is 20115025505261. The next prime is 20115025505279. The reversal of 20115025505262 is 26250552051102.

20115025505262 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 50 + 2 + 550 + 52 + 6 + 2 = 666.

It is a super-2 number, since 2×20115025505262² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20115025505261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976614 + ... + 6417462.

It is an arithmetic number, because the mean of its divisors is an integer number (1815948977700).

Almost surely, 2^{20115025505262} is an apocalyptic number.

20115025505262 is an abundant number, since it is smaller than the sum of its proper divisors (23467749959538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20115025505262 is a wasteful number, since it uses less digits than its factorization.

20115025505262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646248 (or 5646245 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 20115025505262 its reverse (26250552051102), we get a palindrome (46365577556364).

The spelling of 20115025505262 in words is "twenty trillion, one hundred fifteen billion, twenty-five million, five hundred five thousand, two hundred sixty-two".