220243210425 has 72 divisors (see below), whose sum is σ = 451259540160. Its totient is φ = 100587657600.

The previous prime is 220243210403. The next prime is 220243210433. The reversal of 220243210425 is 524012342022.

220243210425 is a `hidden beast` number, since 2 + 2 + 0 + 24 + 3 + 210 + 425 = 666.

It is not a de Polignac number, because 220243210425 - 2⁶ = 220243210361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1618270 + ... + 1749080.

Almost surely, 2^220243210425 is an apocalyptic number.

220243210425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220243210425 is an abundant number, since it is smaller than the sum of its proper divisors (231016329735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220243210425 is a wasteful number, since it uses less digits than its factorization.

220243210425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131903 (or 131895 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 220243210425 its reverse (524012342022), we get a palindrome (744255552447).

The spelling of 220243210425 in words is "two hundred twenty billion, two hundred forty-three million, two hundred ten thousand, four hundred twenty-five".