20021201202200 has 96 divisors (see below), whose sum is σ = 50829461550000. Its totient is φ = 7273495603200.

The previous prime is 20021201202187. The next prime is 20021201202203. The reversal of 20021201202200 is 220210212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021201202203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2029925 + ... + 6645524.

Almost surely, 2^{20021201202200} is an apocalyptic number.

20021201202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021201202200 is an abundant number, since it is smaller than the sum of its proper divisors (30808260347800).

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

20021201202200 is a wasteful number, since it uses less digits than its factorization.

20021201202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676525 (or 8676516 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021201202200 its reverse (220210212002), we get a palindrome (20241411414202).

The spelling of 20021201202200 in words is "twenty trillion, twenty-one billion, two hundred one million, two hundred two thousand, two hundred".