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10220022121220 = 22510313103378629
BaseRepresentation
bin1001010010111000100011…
…0010011100001100000100
31100012000122220200002011222
42110232020302130030010
52314421101130334340
633423002514415512
72103241450460462
oct224561062341404
940160586602158
1010220022121220
11329031806323a
121190860891598
135919895c90b2
1427491a413832
1512aca60528b5
hex94b88c9c304

10220022121220 has 48 divisors (see below), whose sum is σ = 21672126927360. Its totient is φ = 4047999789696.

The previous prime is 10220022121201. The next prime is 10220022121249. The reversal of 10220022121220 is 2212122002201.

It is a happy number.

It is a super-2 number, since 2×102200221212202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26802866 + ... + 27181494.

It is an arithmetic number, because the mean of its divisors is an integer number (451502644320).

Almost surely, 210220022121220 is an apocalyptic number.

10220022121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220022121220 is an abundant number, since it is smaller than the sum of its proper divisors (11452104806140).

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

10220022121220 is a wasteful number, since it uses less digits than its factorization.

10220022121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391844 (or 391842 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10220022121220 its reverse (2212122002201), we get a palindrome (12432144123421).

The spelling of 10220022121220 in words is "ten trillion, two hundred twenty billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 13103 26206 52412 65515 131030 262060 378629 757258 1349609 1514516 1893145 2699218 3786290 5398436 6748045 7572580 13496090 26992180 38998787 77997574 155995148 194993935 389987870 779975740 4961175787 9922351574 19844703148 24805878935 49611757870 99223515740 511001106061 1022002212122 2044004424244 2555005530305 5110011060610 10220022121220