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20102200000000 = 2958100511
BaseRepresentation
bin1001001001000011010000…
…11111010111111000000000
32122011202021212210102112221
410210201220133113320000
510113323301200000000
6110430453450500424
74143223153466356
oct444415037277000
978152255712487
1020102200000000
116450327922758
122307b36134714
13b2a824824b11
144d6d475597d6
1524cd872dc61a
hex1248687d7e00

20102200000000 has 180 divisors, whose sum is σ = 50206896169056. Its totient is φ = 8040800000000.

The previous prime is 20102199999989. The next prime is 20102200000021. The reversal of 20102200000000 is 220102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 199949745 + ... + 200050255.

Almost surely, 220102200000000 is an apocalyptic number.

20102200000000 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 20102200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25103448084528).

20102200000000 is an abundant number, since it is smaller than the sum of its proper divisors (30104696169056).

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

20102200000000 is an frugal number, since it uses more digits than its factorization.

20102200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100569 (or 100518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20102200000000 its reverse (220102), we get a palindrome (20102200220102).

The spelling of 20102200000000 in words is "twenty trillion, one hundred two billion, two hundred million", and thus it is an aban number.