220011120225 has 72 divisors (see below), whose sum is σ = 425498877440. Its totient is φ = 108026835840.

The previous prime is 220011120211. The next prime is 220011120227. The reversal of 220011120225 is 522021110022.

It is not a de Polignac number, because 220011120225 - 2⁵ = 220011120193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220011120198 and 220011120207.

It is not an unprimeable number, because it can be changed into a prime (220011120227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1009344 + ... + 1207806.

Almost surely, 2^220011120225 is an apocalyptic number.

220011120225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220011120225 is a deficient number, since it is larger than the sum of its proper divisors (205487757215).

220011120225 is a wasteful number, since it uses less digits than its factorization.

220011120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198871 (or 198863 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 220011120225 its reverse (522021110022), we get a palindrome (742032230247).

The spelling of 220011120225 in words is "two hundred twenty billion, eleven million, one hundred twenty thousand, two hundred twenty-five".