2220265826851 has 4 divisors (see below), whose sum is σ = 2220485861304. Its totient is φ = 2220045792400.

The previous prime is 2220265826843. The next prime is 2220265826861. The reversal of 2220265826851 is 1586285620222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220265826851 - 2³ = 2220265826843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220265826795 and 2220265826804.

It is not an unprimeable number, because it can be changed into a prime (2220265826861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110002090 + ... + 110022271.

It is an arithmetic number, because the mean of its divisors is an integer number (555121465326).

Almost surely, 2^{2220265826851} is an apocalyptic number.

2220265826851 is a deficient number, since it is larger than the sum of its proper divisors (220034453).

2220265826851 is a wasteful number, since it uses less digits than its factorization.

2220265826851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220034452.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 2220265826851 in words is "two trillion, two hundred twenty billion, two hundred sixty-five million, eight hundred twenty-six thousand, eight hundred fifty-one".