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20110022210020 = 22519234676078117
BaseRepresentation
bin1001001001010001110101…
…01110101111000111100100
32122012111111000122212110011
410210220322232233013210
510113440311141210040
6110434225555540004
74143621045254401
oct444507256570744
978174430585404
1020110022210020
1164536812a7936
1223095598ba604
13b2b4a0288c62
144d748a3832a8
1524d193db93ea
hex124a3abaf1e4

20110022210020 has 192 divisors, whose sum is σ = 46568152350720. Its totient is φ = 7260821365248.

The previous prime is 20110022209999. The next prime is 20110022210041. The reversal of 20110022210020 is 2001222001102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20110022209999) and next prime (20110022210041).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2477515002 + ... + 2477523118.

It is an arithmetic number, because the mean of its divisors is an integer number (242542460160).

Almost surely, 220110022210020 is an apocalyptic number.

20110022210020 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 20110022210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23284076175360).

20110022210020 is an abundant number, since it is smaller than the sum of its proper divisors (26458130140700).

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

20110022210020 is a wasteful number, since it uses less digits than its factorization.

20110022210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242 (or 9240 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110022210020 its reverse (2001222001102), we get a palindrome (22111244211122).

The spelling of 20110022210020 in words is "twenty trillion, one hundred ten billion, twenty-two million, two hundred ten thousand, twenty".