20001002210200 has 192 divisors, whose sum is σ = 52158951613440. Its totient is φ = 7069507200000.

The previous prime is 20001002210177. The next prime is 20001002210201. The reversal of 20001002210200 is 201220010002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001002210201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24035085 + ... + 24853315.

It is an arithmetic number, because the mean of its divisors is an integer number (271661206320).

Almost surely, 2^{20001002210200} is an apocalyptic number.

20001002210200 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 20001002210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26079475806720).

20001002210200 is an abundant number, since it is smaller than the sum of its proper divisors (32157949403240).

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

20001002210200 is a wasteful number, since it uses less digits than its factorization.

20001002210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818570 (or 818561 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20001002210200 its reverse (201220010002), we get a palindrome (20202222220202).

It can be divided in two parts, 20001002 and 210200, that added together give a palindrome (20211202).

The spelling of 20001002210200 in words is "twenty trillion, one billion, two million, two hundred ten thousand, two hundred".