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20202230220100 = 22521631439861293
BaseRepresentation
bin1001001011111101100101…
…10000011000010101000100
32122112022111011022002222121
410211332302300120111010
510121443131414020400
6110544435413335324
74153364045361205
oct445766260302504
978468434262877
1020202230220100
116489799319645
1223233b2037544
13b370a6685776
144dbb166055ac
1525078dee621a
hex125fb2c18544

20202230220100 has 72 divisors (see below), whose sum is σ = 44138492455680. Its totient is φ = 8025725566080.

The previous prime is 20202230219989. The next prime is 20202230220101. The reversal of 20202230220100 is 102203220202.

It is not an unprimeable number, because it can be changed into a prime (20202230220101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23025054 + ... + 23886346.

It is an arithmetic number, because the mean of its divisors is an integer number (613034617440).

Almost surely, 220202230220100 is an apocalyptic number.

20202230220100 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 20202230220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22069246227840).

20202230220100 is an abundant number, since it is smaller than the sum of its proper divisors (23936262235580).

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

20202230220100 is a wasteful number, since it uses less digits than its factorization.

20202230220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862909 (or 862902 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202230220100 its reverse (102203220202), we get a palindrome (20304433440302).

The spelling of 20202230220100 in words is "twenty trillion, two hundred two billion, two hundred thirty million, two hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 163 326 652 815 1439 1630 2878 3260 4075 5756 7195 8150 14390 16300 28780 35975 71950 143900 234557 469114 861293 938228 1172785 1722586 2345570 3445172 4306465 4691140 5863925 8612930 11727850 17225860 21532325 23455700 43064650 86129300 140390759 280781518 561563036 701953795 1239400627 1403907590 2478801254 2807815180 3509768975 4957602508 6197003135 7019537950 12394006270 14039075900 24788012540 30985015675 61970031350 123940062700 202022302201 404044604402 808089208804 1010111511005 2020223022010 4040446044020 5050557555025 10101115110050 20202230220100