20526404112 has 60 divisors (see below), whose sum is σ = 60824572380. Its totient is φ = 6439655424.

The previous prime is 20526404099. The next prime is 20526404113. The reversal of 20526404112 is 21140462502.

20526404112 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 640 + 4 + 1 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16696774656 + 3829629456 = 129216^2 + 61884^2 .

It is not an unprimeable number, because it can be changed into a prime (20526404113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4190037 + ... + 4194932.

It is an arithmetic number, because the mean of its divisors is an integer number (1013742873).

Almost surely, 2^20526404112 is an apocalyptic number.

It is an amenable number.

20526404112 is an abundant number, since it is smaller than the sum of its proper divisors (40298168268).

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

20526404112 is a wasteful number, since it uses less digits than its factorization.

20526404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385000 (or 8384991 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 20526404112 its reverse (21140462502), we get a palindrome (41666866614).

The spelling of 20526404112 in words is "twenty billion, five hundred twenty-six million, four hundred four thousand, one hundred twelve".