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20010012010 = 2517265944267
BaseRepresentation
bin10010101000101100…
…001000110101101010
31220122112100221010221
4102220230020311222
5311440030341020
613105324000254
71305603203302
oct225054106552
956575327127
1020010012010
11853914820a
123a6539008a
131b6b7a1ac1
14d7b770602
157c1a976aa
hex4a8b08d6a

20010012010 has 32 divisors (see below), whose sum is σ = 38151933120. Its totient is φ = 7530177792.

The previous prime is 20010012007. The next prime is 20010012017. The reversal of 20010012010 is 1021001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010011984 and 20010012002.

It is not an unprimeable number, because it can be changed into a prime (20010012017) 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, 429897 + ... + 474163.

It is an arithmetic number, because the mean of its divisors is an integer number (1192247910).

Almost surely, 220010012010 is an apocalyptic number.

20010012010 is a deficient number, since it is larger than the sum of its proper divisors (18141921110).

20010012010 is a wasteful number, since it uses less digits than its factorization.

20010012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46950.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20010012010 its reverse (1021001002), we get a palindrome (21031013012).

The spelling of 20010012010 in words is "twenty billion, ten million, twelve thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 2659 5318 13295 26590 44267 45203 88534 90406 221335 226015 442670 452030 752539 1505078 3762695 7525390 117705953 235411906 588529765 1177059530 2001001201 4002002402 10005006005 20010012010