20325424256 has 16 divisors (see below), whose sum is σ = 40492056390. Its totient is φ = 10162712064.

The previous prime is 20325424241. The next prime is 20325424279. The reversal of 20325424256 is 65242452302.

It can be written as a sum of positive squares in only one way, i.e., 19094817856 + 1230606400 = 138184^2 + 35080^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79396061 + ... + 79396316.

Almost surely, 2^20325424256 is an apocalyptic number.

It is an amenable number.

20325424256 is a deficient number, since it is larger than the sum of its proper divisors (20166632134).

20325424256 is an equidigital number, since it uses as much as digits as its factorization.

20325424256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158792391 (or 158792379 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20325424256 its reverse (65242452302), we get a palindrome (85567876558).

The spelling of 20325424256 in words is "twenty billion, three hundred twenty-five million, four hundred twenty-four thousand, two hundred fifty-six".