20504255410 has 32 divisors (see below), whose sum is σ = 38481039360. Its totient is φ = 7856517312.

The previous prime is 20504255393. The next prime is 20504255419. The reversal of 20504255410 is 1455240502.

It is not an unprimeable number, because it can be changed into a prime (20504255419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241534 + ... + 315193.

It is an arithmetic number, because the mean of its divisors is an integer number (1202532480).

Almost surely, 2^20504255410 is an apocalyptic number.

20504255410 is a deficient number, since it is larger than the sum of its proper divisors (17976783950).

20504255410 is a wasteful number, since it uses less digits than its factorization.

20504255410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556890.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 20504255410 its reverse (1455240502), we get a palindrome (21959495912).

The spelling of 20504255410 in words is "twenty billion, five hundred four million, two hundred fifty-five thousand, four hundred ten".