20200002001200 has 540 divisors, whose sum is σ = 83440867632408. Its totient is φ = 4509766195200.

The previous prime is 20200002001063. The next prime is 20200002001279. The reversal of 20200002001200 is 210020000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 6253660 + ... + 8916740.

Almost surely, 2^{20200002001200} is an apocalyptic number.

20200002001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200002001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41720433816204).

20200002001200 is an abundant number, since it is smaller than the sum of its proper divisors (63240865631208).

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

20200002001200 is a wasteful number, since it uses less digits than its factorization.

20200002001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663162 (or 2663141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20200002001200 its reverse (210020000202), we get a palindrome (20410022001402).

The spelling of 20200002001200 in words is "twenty trillion, two hundred billion, two million, one thousand, two hundred".