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20110021020097 = 293122369322603
BaseRepresentation
bin1001001001010001110101…
…01010001100100111000001
32122012111110221102102011221
410210220322222030213001
510113440310340120342
6110434225514235041
74143621032200261
oct444507252144701
978174427372157
1020110021020097
116453680664928
122309559425a81
13b2b49cc60468
144d748a1537a1
1524d193c31a67
hex124a3aa8c9c1

20110021020097 has 8 divisors (see below), whose sum is σ = 21474549699840. Its totient is φ = 18790230985680.

The previous prime is 20110021020077. The next prime is 20110021020139. The reversal of 20110021020097 is 79002012001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110021020097 - 219 = 20110020495809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110021020077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11184660403 + ... + 11184662200.

It is an arithmetic number, because the mean of its divisors is an integer number (2684318712480).

Almost surely, 220110021020097 is an apocalyptic number.

It is an amenable number.

20110021020097 is a deficient number, since it is larger than the sum of its proper divisors (1364528679743).

20110021020097 is a wasteful number, since it uses less digits than its factorization.

20110021020097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22369322663.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 20110021020097 its reverse (79002012001102), we get a palindrome (99112033021199).

The spelling of 20110021020097 in words is "twenty trillion, one hundred ten billion, twenty-one million, twenty thousand, ninety-seven".

Divisors: 1 29 31 899 22369322603 648710355487 693449000693 20110021020097