25122652221020 has 48 divisors (see below), whose sum is σ = 52798133388000. Its totient is φ = 10041335458560.

The previous prime is 25122652221019. The next prime is 25122652221049. The reversal of 25122652221020 is 2012225622152.

25122652221020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×25122652221020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683015030 + ... + 683051810.

It is an arithmetic number, because the mean of its divisors is an integer number (1099961112250).

Almost surely, 2^{25122652221020} is an apocalyptic number.

25122652221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25122652221020 is an abundant number, since it is smaller than the sum of its proper divisors (27675481166980).

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

25122652221020 is a wasteful number, since it uses less digits than its factorization.

25122652221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62118 (or 62116 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 25122652221020 its reverse (2012225622152), we get a palindrome (27134877843172).

The spelling of 25122652221020 in words is "twenty-five trillion, one hundred twenty-two billion, six hundred fifty-two million, two hundred twenty-one thousand, twenty".