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201002210202220 = 225717472297846763
BaseRepresentation
bin101101101100111101111001…
…010101101001001001101100
3222100200121211121221101111221
4231230331321111221021230
5202321210011302432340
61551255050212153124
760223634101424020
oct5554757125511154
9870617747841457
10201002210202220
11590556165a6949
121a6636a96087a4
13882057241b98b
14378c7b7802380
1518387de88a44a
hexb6cf7956926c

201002210202220 has 192 divisors, whose sum is σ = 523927804538880. Its totient is φ = 63203973009408.

The previous prime is 201002210202151. The next prime is 201002210202223. The reversal of 201002210202220 is 22202012200102.

It is a junction number, because it is equal to n+sod(n) for n = 201002210202194 and 201002210202203.

It is not an unprimeable number, because it can be changed into a prime (201002210202223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21692559 + ... + 29539321.

It is an arithmetic number, because the mean of its divisors is an integer number (2728790648640).

Almost surely, 2201002210202220 is an apocalyptic number.

201002210202220 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 201002210202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261963902269440).

201002210202220 is an abundant number, since it is smaller than the sum of its proper divisors (322925594336660).

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

201002210202220 is a wasteful number, since it uses less digits than its factorization.

201002210202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847072 (or 7847070 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201002210202220 its reverse (22202012200102), we get a palindrome (223204222402322).

The spelling of 201002210202220 in words is "two hundred one trillion, two billion, two hundred ten million, two hundred two thousand, two hundred twenty".