20010220012200 has 96 divisors (see below), whose sum is σ = 67670925881760. Its totient is φ = 4850962425600.

The previous prime is 20010220012171. The next prime is 20010220012249. The reversal of 20010220012200 is 221002201002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515919159 + ... + 1515932358.

It is an arithmetic number, because the mean of its divisors is an integer number (704905477935).

Almost surely, 2^{20010220012200} is an apocalyptic number.

20010220012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010220012200 is an abundant number, since it is smaller than the sum of its proper divisors (47660705869560).

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

20010220012200 is a wasteful number, since it uses less digits than its factorization.

20010220012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031851547 (or 3031851538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20010220012200 its reverse (221002201002), we get a palindrome (20231222213202).

The spelling of 20010220012200 in words is "twenty trillion, ten billion, two hundred twenty million, twelve thousand, two hundred".