220342233425 has 12 divisors (see below), whose sum is σ = 273230340636. Its totient is φ = 176269934400.

The previous prime is 220342233383. The next prime is 220342233427. The reversal of 220342233425 is 524332243022.

It can be written as a sum of positive squares in 6 ways, for example, as 9628609 + 220332604816 = 3103^2 + 469396^2 .

It is not a de Polignac number, because 220342233425 - 2⁶ = 220342233361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220342233391 and 220342233400.

It is not an unprimeable number, because it can be changed into a prime (220342233427) 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, 1811627 + ... + 1929423.

It is an arithmetic number, because the mean of its divisors is an integer number (22769195053).

Almost surely, 2^220342233425 is an apocalyptic number.

220342233425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220342233425 is a deficient number, since it is larger than the sum of its proper divisors (52888107211).

220342233425 is a wasteful number, since it uses less digits than its factorization.

220342233425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192628 (or 192623 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 220342233425 its reverse (524332243022), we get a palindrome (744674476447).

The spelling of 220342233425 in words is "two hundred twenty billion, three hundred forty-two million, two hundred thirty-three thousand, four hundred twenty-five".