20010200212180 has 96 divisors (see below), whose sum is σ = 44677139592960. Its totient is φ = 7506707788800.

The previous prime is 20010200212103. The next prime is 20010200212181. The reversal of 20010200212180 is 8121200201002.

It is a super-2 number, since 2×20010200212180² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010200212181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317102392 + ... + 317165488.

It is an arithmetic number, because the mean of its divisors is an integer number (465386870760).

Almost surely, 2^{20010200212180} is an apocalyptic number.

20010200212180 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 20010200212180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22338569796480).

20010200212180 is an abundant number, since it is smaller than the sum of its proper divisors (24666939380780).

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

20010200212180 is a wasteful number, since it uses less digits than its factorization.

20010200212180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71489 (or 71487 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20010200212180 its reverse (8121200201002), we get a palindrome (28131400413182).

The spelling of 20010200212180 in words is "twenty trillion, ten billion, two hundred million, two hundred twelve thousand, one hundred eighty".