20523300455200 has 36 divisors (see below), whose sum is σ = 50102507238210. Its totient is φ = 8209320181760.

The previous prime is 20523300455159. The next prime is 20523300455227. The reversal of 20523300455200 is 255400332502.

It can be written as a sum of positive squares in 3 ways, for example, as 16870110440976 + 3653190014224 = 4107324^2 + 1911332^2 .

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, 12827061985 + ... + 12827063584.

Almost surely, 2^{20523300455200} is an apocalyptic number.

20523300455200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20523300455200 is an abundant number, since it is smaller than the sum of its proper divisors (29579206783010).

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

20523300455200 is a wasteful number, since it uses less digits than its factorization.

20523300455200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654125589 (or 25654125576 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20523300455200 its reverse (255400332502), we get a palindrome (20778700787702).

The spelling of 20523300455200 in words is "twenty trillion, five hundred twenty-three billion, three hundred million, four hundred fifty-five thousand, two hundred".