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20012202220211 = 52334980776781
BaseRepresentation
bin1001000110011011101000…
…01101000101101010110011
32121212010222210002111222122
410203031310031011222303
510110334442232021321
6110321251230024455
74133556012130625
oct443156415055263
977763883074878
1020012202220211
116416144488753
1222b25ba04812b
13b221b12cc296
144d284aa78c15
1524a86b24d8ab
hex123374345ab3

20012202220211 has 8 divisors (see below), whose sum is σ = 20016689018304. Its totient is φ = 20007715685760.

The previous prime is 20012202220187. The next prime is 20012202220271. The reversal of 20012202220211 is 11202220221002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20012202220211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012202220211.

It is not an unprimeable number, because it can be changed into a prime (20012202220271) 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, 260601641 + ... + 260678421.

It is an arithmetic number, because the mean of its divisors is an integer number (2502086127288).

Almost surely, 220012202220211 is an apocalyptic number.

20012202220211 is a deficient number, since it is larger than the sum of its proper divisors (4486798093).

20012202220211 is an equidigital number, since it uses as much as digits as its factorization.

20012202220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131821.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012202220211 its reverse (11202220221002), we get a palindrome (31214422441213).

The spelling of 20012202220211 in words is "twenty trillion, twelve billion, two hundred two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 5233 49807 76781 260640031 401794973 3824231267 20012202220211