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101010220220 = 2257131719171827
BaseRepresentation
bin101111000010010101…
…1011010010010111100
3100122201120112211212102
41132010223122102330
53123332104021340
6114223051324232
710204061463650
oct1360453322274
9318646484772
10101010220220
11399246aa548
12176b0150678
1396a9bb77a0
144c632aca60
152962c89215
hex1784ada4bc

101010220220 has 192 divisors, whose sum is σ = 290980408320. Its totient is φ = 28503871488.

The previous prime is 101010220217. The next prime is 101010220273. The reversal of 101010220220 is 22022010101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 501947 + ... + 673773.

It is an arithmetic number, because the mean of its divisors is an integer number (1515522960).

Almost surely, 2101010220220 is an apocalyptic number.

101010220220 is a gapful number since it is divisible by the number (10) 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 101010220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145490204160).

101010220220 is an abundant number, since it is smaller than the sum of its proper divisors (189970188100).

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

101010220220 is a wasteful number, since it uses less digits than its factorization.

101010220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171892 (or 171890 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101010220220 its reverse (22022010101), we get a palindrome (123032230321).

The spelling of 101010220220 in words is "one hundred one billion, ten million, two hundred twenty thousand, two hundred twenty".