20525220826 has 32 divisors (see below), whose sum is σ = 34579373760. Its totient is φ = 9055152000.

The previous prime is 20525220823. The next prime is 20525220853. The reversal of 20525220826 is 62802252502.

It is a junction number, because it is equal to n+sod(n) for n = 20525220791 and 20525220800.

It is not an unprimeable number, because it can be changed into a prime (20525220823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302101 + ... + 363751.

It is an arithmetic number, because the mean of its divisors is an integer number (1080605430).

Almost surely, 2^20525220826 is an apocalyptic number.

20525220826 is a deficient number, since it is larger than the sum of its proper divisors (14054152934).

20525220826 is a wasteful number, since it uses less digits than its factorization.

20525220826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62110.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 20525220826 in words is "twenty billion, five hundred twenty-five million, two hundred twenty thousand, eight hundred twenty-six".