20452534253404 has 24 divisors (see below), whose sum is σ = 39595687318656. Its totient is φ = 9165668358000.

The previous prime is 20452534253323. The next prime is 20452534253449. The reversal of 20452534253404 is 40435243525402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273449862 + ... + 3273456109.

It is an arithmetic number, because the mean of its divisors is an integer number (1649820304944).

Almost surely, 2^{20452534253404} is an apocalyptic number.

It is an amenable number.

20452534253404 is a deficient number, since it is larger than the sum of its proper divisors (19143153065252).

20452534253404 is a wasteful number, since it uses less digits than its factorization.

20452534253404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546906057 (or 6546906055 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 20452534253404 its reverse (40435243525402), we get a palindrome (60887777778806).

The spelling of 20452534253404 in words is "twenty trillion, four hundred fifty-two billion, five hundred thirty-four million, two hundred fifty-three thousand, four hundred four".