2220140365451 has 4 divisors (see below), whose sum is σ = 2274290130504. Its totient is φ = 2165990600400.

The previous prime is 2220140365409. The next prime is 2220140365463. The reversal of 2220140365451 is 1545630410222.

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 2220140365451 - 2¹⁰ = 2220140364427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220140365481) 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, 27074882465 + ... + 27074882546.

It is an arithmetic number, because the mean of its divisors is an integer number (568572532626).

Almost surely, 2^{2220140365451} is an apocalyptic number.

2220140365451 is a deficient number, since it is larger than the sum of its proper divisors (54149765053).

2220140365451 is an equidigital number, since it uses as much as digits as its factorization.

2220140365451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54149765052.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 2220140365451 its reverse (1545630410222), we get a palindrome (3765770775673).

The spelling of 2220140365451 in words is "two trillion, two hundred twenty billion, one hundred forty million, three hundred sixty-five thousand, four hundred fifty-one".