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20122220110 = 252362985159
BaseRepresentation
bin10010101111011000…
…001011011001001110
31220221100111200201111
4102233120023121032
5312202242020420
613124413002234
71311435022516
oct225730133116
956840450644
1020122220110
118596517883
123a96a8337a
131b88acb225
14d8c61c846
157cb85e45a
hex4af60b64e

20122220110 has 16 divisors (see below), whose sum is σ = 36221954400. Its totient is φ = 8048452896.

The previous prime is 20122220077. The next prime is 20122220117. The reversal of 20122220110 is 1102222102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122220117) 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, 193711 + ... + 278869.

It is an arithmetic number, because the mean of its divisors is an integer number (2263872150).

Almost surely, 220122220110 is an apocalyptic number.

20122220110 is a deficient number, since it is larger than the sum of its proper divisors (16099734290).

20122220110 is a wasteful number, since it uses less digits than its factorization.

20122220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108795.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122220110 its reverse (1102222102), we get a palindrome (21224442212).

The spelling of 20122220110 in words is "twenty billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 23629 47258 85159 118145 170318 236290 425795 851590 2012222011 4024444022 10061110055 20122220110