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20002210100000 = 25551948721617
BaseRepresentation
bin1001000110001001000001…
…01000001011001100100000
32121211012012102011012220022
410203010200220023030200
510110204011241200000
6110312515524133012
74133053261405052
oct443044050131440
977735172135808
1020002210100000
116411987165967
1222b068b837168
13b2127b14060b
144d217d9a78d2
1524a483dea585
hex123120a0b320

20002210100000 has 288 divisors, whose sum is σ = 51920410631040. Its totient is φ = 7563870720000.

The previous prime is 20002210099987. The next prime is 20002210100009. The reversal of 20002210100000 is 101220002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (20002210100009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 925289192 + ... + 925310808.

It is an arithmetic number, because the mean of its divisors is an integer number (180279203580).

Almost surely, 220002210100000 is an apocalyptic number.

20002210100000 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 20002210100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25960205315520).

20002210100000 is an abundant number, since it is smaller than the sum of its proper divisors (31918200531040).

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

20002210100000 is an equidigital number, since it uses as much as digits as its factorization.

20002210100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22158 (or 22130 counting only the distinct ones).

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

Adding to 20002210100000 its reverse (101220002), we get a palindrome (20002311320002).

The spelling of 20002210100000 in words is "twenty trillion, two billion, two hundred ten million, one hundred thousand".