20522454120 has 192 divisors, whose sum is σ = 77848542720. Its totient is φ = 4591014912.

The previous prime is 20522454107. The next prime is 20522454143. The reversal of 20522454120 is 2145422502.

20522454120 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 245 + 412 + 0 = 666.

It is a super-2 number, since 2×20522454120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31804 + ... + 205076.

It is an arithmetic number, because the mean of its divisors is an integer number (405461160).

Almost surely, 2^20522454120 is an apocalyptic number.

20522454120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20522454120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38924271360).

20522454120 is an abundant number, since it is smaller than the sum of its proper divisors (57326088600).

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

20522454120 is a wasteful number, since it uses less digits than its factorization.

20522454120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173344 (or 173337 counting only the distinct ones).

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

Adding to 20522454120 its reverse (2145422502), we get a palindrome (22667876622).

The spelling of 20522454120 in words is "twenty billion, five hundred twenty-two million, four hundred fifty-four thousand, one hundred twenty".