20012230265 has 16 divisors (see below), whose sum is σ = 24794950656. Its totient is φ = 15489835200.

The previous prime is 20012230253. The next prime is 20012230283. The reversal of 20012230265 is 56203221002.

It is a de Polignac number, because none of the positive numbers 2^k-20012230265 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012230265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829919 + ... + 853691.

It is an arithmetic number, because the mean of its divisors is an integer number (1549684416).

Almost surely, 2^20012230265 is an apocalyptic number.

It is an amenable number.

20012230265 is a deficient number, since it is larger than the sum of its proper divisors (4782720391).

20012230265 is a wasteful number, since it uses less digits than its factorization.

20012230265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29240.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20012230265 its reverse (56203221002), we get a palindrome (76215451267).

The spelling of 20012230265 in words is "twenty billion, twelve million, two hundred thirty thousand, two hundred sixty-five".