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20202112101 = 36863981209
BaseRepresentation
bin10010110100001000…
…111100010001100101
31221010220211121221010
4102310020330101211
5312333220041401
613140345212433
71313425056003
oct226410742145
957126747833
1020202112101
118627624916
123ab9791119
131b9c5213b2
14d99097a73
157d3890ed6
hex4b423c465

20202112101 has 8 divisors (see below), whose sum is σ = 26940101760. Its totient is φ = 13466098592.

The previous prime is 20202112043. The next prime is 20202112127. The reversal of 20202112101 is 10121120202.

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 20202112101 - 230 = 19128370277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202113101) 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, 470016 + ... + 511193.

It is an arithmetic number, because the mean of its divisors is an integer number (3367512720).

Almost surely, 220202112101 is an apocalyptic number.

It is an amenable number.

20202112101 is a deficient number, since it is larger than the sum of its proper divisors (6737989659).

20202112101 is an equidigital number, since it uses as much as digits as its factorization.

20202112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988075.

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

Adding to 20202112101 its reverse (10121120202), we get a palindrome (30323232303).

The spelling of 20202112101 in words is "twenty billion, two hundred two million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 6863 20589 981209 2943627 6734037367 20202112101