20365262655 has 16 divisors (see below), whose sum is σ = 32586552960. Its totient is φ = 10860762528.

The previous prime is 20365262633. The next prime is 20365262657. The reversal of 20365262655 is 55626256302.

It is not a de Polignac number, because 20365262655 - 2⁹ = 20365262143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365262657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259416 + ... + 328674.

It is an arithmetic number, because the mean of its divisors is an integer number (2036659560).

Almost surely, 2^20365262655 is an apocalyptic number.

20365262655 is a deficient number, since it is larger than the sum of its proper divisors (12221290305).

20365262655 is a wasteful number, since it uses less digits than its factorization.

20365262655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88870.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 20365262655 in words is "twenty billion, three hundred sixty-five million, two hundred sixty-two thousand, six hundred fifty-five".