220302121425 has 24 divisors (see below), whose sum is σ = 364338448704. Its totient is φ = 117460397760.

The previous prime is 220302121421. The next prime is 220302121447. The reversal of 220302121425 is 524121203022.

220302121425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220302121425 - 2² = 220302121421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220302121395 and 220302121404.

It is not an unprimeable number, because it can be changed into a prime (220302121421) 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 23 ways as a sum of consecutive naturals, for example, 164382 + ... + 683831.

It is an arithmetic number, because the mean of its divisors is an integer number (15180768696).

Almost surely, 2^220302121425 is an apocalyptic number.

220302121425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220302121425 is a deficient number, since it is larger than the sum of its proper divisors (144036327279).

220302121425 is a wasteful number, since it uses less digits than its factorization.

220302121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851689 (or 851684 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 220302121425 its reverse (524121203022), we get a palindrome (744423324447).

The spelling of 220302121425 in words is "two hundred twenty billion, three hundred two million, one hundred twenty-one thousand, four hundred twenty-five".