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20221222220094 = 23737891496591489
BaseRepresentation
bin1001001100100000111101…
…10001000111000100111110
32122121010111202002200011210
410212100132301013010332
510122301030342020334
6111001300134025250
74154635510614450
oct446203661070476
978533452080153
1020221222220094
116496854860305
1223270124a8226
13b38b12281a9c
144dc9d8a9a2d0
152510015005e9
hex12641ec4713e

20221222220094 has 256 divisors, whose sum is σ = 48430483200000. Its totient is φ = 5508799414272.

The previous prime is 20221222220093. The next prime is 20221222220191. The reversal of 20221222220094 is 49002222212202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221222220093) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13580403702 + ... + 13580405190.

It is an arithmetic number, because the mean of its divisors is an integer number (189181575000).

Almost surely, 220221222220094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221222220094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24215241600000).

20221222220094 is an abundant number, since it is smaller than the sum of its proper divisors (28209260979906).

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

20221222220094 is a wasteful number, since it uses less digits than its factorization.

20221222220094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 20221222220094 its reverse (49002222212202), we get a palindrome (69223444432296).

The spelling of 20221222220094 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, ninety-four".