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20122010211 = 319353017723
BaseRepresentation
bin10010101111010111…
…011000001001100011
31220221100010000210110
4102233113120021203
5312202213311321
613124404302403
71311433156542
oct225727301143
956840100713
1020122010211
118596394106
123a969a1a03
131b88a56824
14d8c5a6159
157cb81c176
hex4af5d8263

20122010211 has 8 divisors (see below), whose sum is σ = 28241417920. Its totient is φ = 12708637992.

The previous prime is 20122010179. The next prime is 20122010257. The reversal of 20122010211 is 11201022102.

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

It is not a de Polignac number, because 20122010211 - 25 = 20122010179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122010011) 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, 176508805 + ... + 176508918.

It is an arithmetic number, because the mean of its divisors is an integer number (3530177240).

Almost surely, 220122010211 is an apocalyptic number.

20122010211 is a deficient number, since it is larger than the sum of its proper divisors (8119407709).

20122010211 is a wasteful number, since it uses less digits than its factorization.

20122010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353017745.

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

Adding to 20122010211 its reverse (11201022102), we get a palindrome (31323032313).

The spelling of 20122010211 in words is "twenty billion, one hundred twenty-two million, ten thousand, two hundred eleven".

Divisors: 1 3 19 57 353017723 1059053169 6707336737 20122010211