20025326504 has 8 divisors (see below), whose sum is σ = 37547487210. Its totient is φ = 10012663248.

The previous prime is 20025326449. The next prime is 20025326513. The reversal of 20025326504 is 40562352002.

It can be written as a sum of positive squares in only one way, i.e., 15264602500 + 4760724004 = 123550^2 + 68998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×20025326504⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1251582899 + ... + 1251582914.

Almost surely, 2^20025326504 is an apocalyptic number.

It is an amenable number.

20025326504 is a deficient number, since it is larger than the sum of its proper divisors (17522160706).

20025326504 is a wasteful number, since it uses less digits than its factorization.

20025326504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503165819 (or 2503165815 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20025326504 its reverse (40562352002), we get a palindrome (60587678506).

The spelling of 20025326504 in words is "twenty billion, twenty-five million, three hundred twenty-six thousand, five hundred four".