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20012101201 = 163161975833
BaseRepresentation
bin10010101000110100…
…000110111001010001
31220122200022001222101
4102220310012321101
5311441044214301
613105440440401
71305630024241
oct225064067121
956580261871
1020012101201
11853a344914
123a66019101
131b6c053a01
14d7bb55b21
157c1d5b701
hex4a8d06e51

20012101201 has 8 divisors (see below), whose sum is σ = 20147577120. Its totient is φ = 19876780512.

The previous prime is 20012101171. The next prime is 20012101247. The reversal of 20012101201 is 10210121002.

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 20012101201 - 223 = 20003712593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012101261) 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, 225981 + ... + 301813.

It is an arithmetic number, because the mean of its divisors is an integer number (2518447140).

Almost surely, 220012101201 is an apocalyptic number.

It is an amenable number.

20012101201 is a deficient number, since it is larger than the sum of its proper divisors (135475919).

20012101201 is a wasteful number, since it uses less digits than its factorization.

20012101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77615.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20012101201 its reverse (10210121002), we get a palindrome (30222222203).

The spelling of 20012101201 in words is "twenty billion, twelve million, one hundred one thousand, two hundred one".

Divisors: 1 163 1619 75833 263897 12360779 122773627 20012101201