20200245523400 has 24 divisors (see below), whose sum is σ = 46965570842370. Its totient is φ = 8080098209280.

The previous prime is 20200245523391. The next prime is 20200245523421. The reversal of 20200245523400 is 432554200202.

It can be written as a sum of positive squares in 3 ways, for example, as 15805411262404 + 4394834260996 = 3975602^2 + 2096386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50500613609 + ... + 50500614008.

Almost surely, 2^{20200245523400} is an apocalyptic number.

20200245523400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200245523400 is an abundant number, since it is smaller than the sum of its proper divisors (26765325318970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200245523400 is a wasteful number, since it uses less digits than its factorization.

20200245523400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001227633 (or 101001227624 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20200245523400 its reverse (432554200202), we get a palindrome (20632799723602).

The spelling of 20200245523400 in words is "twenty trillion, two hundred billion, two hundred forty-five million, five hundred twenty-three thousand, four hundred".