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20012213001 = 311606430697
BaseRepresentation
bin10010101000110100…
…100010001100001001
31220122200111202100010
4102220310202030021
5311441111304001
613105443102133
71305631001214
oct225064421411
956580452303
1020012213001
11853a410910
123a66071949
131b6c092871
14d7bb8477b
157c1d7e8d6
hex4a8d22309

20012213001 has 8 divisors (see below), whose sum is σ = 29108673504. Its totient is φ = 12128613920.

The previous prime is 20012212999. The next prime is 20012213057. The reversal of 20012213001 is 10031221002.

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 20012213001 - 21 = 20012212999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012213071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303215316 + ... + 303215381.

It is an arithmetic number, because the mean of its divisors is an integer number (3638584188).

Almost surely, 220012213001 is an apocalyptic number.

It is an amenable number.

20012213001 is a deficient number, since it is larger than the sum of its proper divisors (9096460503).

20012213001 is a wasteful number, since it uses less digits than its factorization.

20012213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606430711.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20012213001 its reverse (10031221002), we get a palindrome (30043434003).

The spelling of 20012213001 in words is "twenty billion, twelve million, two hundred thirteen thousand, one".

Divisors: 1 3 11 33 606430697 1819292091 6670737667 20012213001