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20012020110101 = 295938991161931
BaseRepresentation
bin1001000110011011010010…
…10110011001001100010101
32121212010112002102100212202
410203031221112121030111
510110334104122010401
6110321221202454245
74133551341203435
oct443155126311425
977763462370782
1020012020110101
116416060704728
1222b2569064385
13b22182669b16
144d28307d22c5
1524a85a27a06b
hex123369599315

20012020110101 has 8 divisors (see below), whose sum is σ = 20702142444000. Its totient is φ = 19321901287920.

The previous prime is 20012020110091. The next prime is 20012020110157. The reversal of 20012020110101 is 10101102021002.

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 20012020110101 - 222 = 20012015915797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012020110701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16642106 + ... + 17804036.

It is an arithmetic number, because the mean of its divisors is an integer number (2587767805500).

Almost surely, 220012020110101 is an apocalyptic number.

It is an amenable number.

20012020110101 is a deficient number, since it is larger than the sum of its proper divisors (690122333899).

20012020110101 is a wasteful number, since it uses less digits than its factorization.

20012020110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755859.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012020110101 its reverse (10101102021002), we get a palindrome (30113122131103).

The spelling of 20012020110101 in words is "twenty trillion, twelve billion, twenty million, one hundred ten thousand, one hundred one".

Divisors: 1 29 593899 1161931 17223071 33695999 690069658969 20012020110101