220012525044 has 144 divisors (see below), whose sum is σ = 606191826240. Its totient is φ = 66879221760.

The previous prime is 220012525043. The next prime is 220012525087. The reversal of 220012525044 is 440525210022.

It is a super-2 number, since 2×220012525044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220012524999 and 220012525017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012525043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13909012 + ... + 13924820.

It is an arithmetic number, because the mean of its divisors is an integer number (4209665460).

Almost surely, 2^220012525044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220012525044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303095913120).

220012525044 is an abundant number, since it is smaller than the sum of its proper divisors (386179301196).

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

220012525044 is a wasteful number, since it uses less digits than its factorization.

220012525044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16190 (or 16185 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 220012525044 its reverse (440525210022), we get a palindrome (660537735066).

The spelling of 220012525044 in words is "two hundred twenty billion, twelve million, five hundred twenty-five thousand, forty-four".