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20452011122 = 2194316311979
BaseRepresentation
bin10011000011000010…
…001110110001110010
31221210100001210221102
4103003002032301302
5313341203323442
613221233324402
71322551140404
oct230302166162
957710053842
1020452011122
118745699734
123b69406702
131c0c229b3a
14dc0348b74
157ea7a5232
hex4c308ec72

20452011122 has 32 divisors (see below), whose sum is σ = 32435251200. Its totient is φ = 9645123600.

The previous prime is 20452011121. The next prime is 20452011157. The reversal of 20452011122 is 22111025402.

It is a junction number, because it is equal to n+sod(n) for n = 20452011094 and 20452011103.

It is not an unprimeable number, because it can be changed into a prime (20452011121) 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, 10333529 + ... + 10335507.

It is an arithmetic number, because the mean of its divisors is an integer number (1013601600).

Almost surely, 220452011122 is an apocalyptic number.

20452011122 is a deficient number, since it is larger than the sum of its proper divisors (11983240078).

20452011122 is a wasteful number, since it uses less digits than its factorization.

20452011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 20452011122 its reverse (22111025402), we get a palindrome (42563036524).

The spelling of 20452011122 in words is "twenty billion, four hundred fifty-two million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 19 38 431 631 862 1262 1979 3958 8189 11989 16378 23978 37601 75202 271961 543922 852949 1248749 1705898 2497498 5167259 10334518 16206031 23726231 32412062 47452462 538210819 1076421638 10226005561 20452011122