20001051445200 has 240 divisors, whose sum is σ = 76406501861376. Its totient is φ = 4372900646400.

The previous prime is 20001051445163. The next prime is 20001051445213. The reversal of 20001051445200 is 254415010002.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51569356 + ... + 51955755.

Almost surely, 2^{20001051445200} is an apocalyptic number.

20001051445200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001051445200 is an abundant number, since it is smaller than the sum of its proper divisors (56405450416176).

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

20001051445200 is a wasteful number, since it uses less digits than its factorization.

20001051445200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103525162 (or 103525151 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20001051445200 its reverse (254415010002), we get a palindrome (20255466455202).

The spelling of 20001051445200 in words is "twenty trillion, one billion, fifty-one million, four hundred forty-five thousand, two hundred".