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20122222202 = 23121110631447
BaseRepresentation
bin10010101111011000…
…001011111001111010
31220221100111210120222
4102233120023321322
5312202242102302
613124413020042
71311435031565
oct225730137172
956840453528
1020122222202
118596519405
123a96a84622
131b88acc174
14d8c61d4dc
157cb85eda2
hex4af60be7a

20122222202 has 32 divisors (see below), whose sum is σ = 31355756544. Its totient is φ = 9674607600.

The previous prime is 20122222201. The next prime is 20122222207. The reversal of 20122222202 is 20222222102.

It is not an unprimeable number, because it can be changed into a prime (20122222201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13905443 + ... + 13906889.

It is an arithmetic number, because the mean of its divisors is an integer number (979867392).

Almost surely, 220122222202 is an apocalyptic number.

20122222202 is a deficient number, since it is larger than the sum of its proper divisors (11233534342).

20122222202 is a wasteful number, since it uses less digits than its factorization.

20122222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20122222202 its reverse (20222222102), we get a palindrome (40344444304).

The spelling of 20122222202 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 31 62 211 422 1063 1447 2126 2894 6541 13082 32953 44857 65906 89714 224293 305317 448586 610634 1538161 3076322 6953083 9464827 13906166 18929654 47682991 95365982 324551971 649103942 10061111101 20122222202