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20122102010010 = 23571113979168437
BaseRepresentation
bin1001001001101000010101…
…01111100001000010011010
32122020122122212221021210210
410210310022233201002122
510114140031103310020
6110443544355551550
74144526306002230
oct444641257410232
978218585837723
1020122102010010
116458810003410
12230b96b2bb5b6
13b2c676b10ac0
144d7cb4814950
1524d64e64e3e0
hex124d0abe109a

20122102010010 has 256 divisors, whose sum is σ = 64848581296128. Its totient is φ = 3859133414400.

The previous prime is 20122102009991. The next prime is 20122102010027. The reversal of 20122102010010 is 1001020122102.

It is a Curzon 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 127 ways as a sum of consecutive naturals, for example, 293989512 + ... + 294057948.

It is an arithmetic number, because the mean of its divisors is an integer number (253314770688).

Almost surely, 220122102010010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122102010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32424290648064).

20122102010010 is an abundant number, since it is smaller than the sum of its proper divisors (44726479286118).

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

20122102010010 is a wasteful number, since it uses less digits than its factorization.

20122102010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78269.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122102010010 its reverse (1001020122102), we get a palindrome (21123122132112).

The spelling of 20122102010010 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, ten thousand, ten".