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20122221102022 = 2131977739132911
BaseRepresentation
bin1001001001101000100011…
…10101110100001111000110
32122020122222012000210100001
410210310101311310033012
510114140302100231042
6110444004252311514
74144532253162244
oct444642165641706
978218865023301
1020122221102022
116458871254a66
12230b9a317259a
13b2c6956aa650
144d7cc6575794
1524d659d25bb7
hex124d11d743c6

20122221102022 has 16 divisors (see below), whose sum is σ = 32506770808512. Its totient is φ = 9286709137920.

The previous prime is 20122221102019. The next prime is 20122221102023. The reversal of 20122221102022 is 22020112222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122221102023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052254 + ... + 20080657.

It is an arithmetic number, because the mean of its divisors is an integer number (2031673175532).

Almost surely, 220122221102022 is an apocalyptic number.

20122221102022 is a deficient number, since it is larger than the sum of its proper divisors (12384549706490).

20122221102022 is a wasteful number, since it uses less digits than its factorization.

20122221102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39152703.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20122221102022 its reverse (22020112222102), we get a palindrome (42142333324124).

The spelling of 20122221102022 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred two thousand, twenty-two".

Divisors: 1 2 13 26 19777 39554 257101 514202 39132911 78265822 508727843 1017455686 773931580847 1547863161694 10061110551011 20122221102022