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20122401368 = 2323109360877
BaseRepresentation
bin10010101111011000…
…110111101001011000
31220221100211220100202
4102233120313221120
5312202313320433
613124420521332
71311436406126
oct225730675130
956840756322
1020122401368
118596630a83
123a96b50248
131b88b62894
14d8c668916
157cb897ee8
hex4af637a58

20122401368 has 16 divisors (see below), whose sum is σ = 39369916080. Its totient is φ = 9623757088.

The previous prime is 20122401367. The next prime is 20122401433. The reversal of 20122401368 is 86310422102.

It is a happy number.

It is a super-2 number, since 2×201224013682 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122401368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122401367) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54680255 + ... + 54680622.

It is an arithmetic number, because the mean of its divisors is an integer number (2460619755).

Almost surely, 220122401368 is an apocalyptic number.

It is an amenable number.

20122401368 is a deficient number, since it is larger than the sum of its proper divisors (19247514712).

20122401368 is a wasteful number, since it uses less digits than its factorization.

20122401368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109360906 (or 109360902 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20122401368 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 23 46 92 184 109360877 218721754 437443508 874887016 2515300171 5030600342 10061200684 20122401368