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10201210012020 = 2235433953957369
BaseRepresentation
bin1001010001110010011101…
…1111111100000101110100
31100010020002212100220202210
42110130213133330011310
52314114034230341040
633410212101533420
72102004331256166
oct224344737740564
940106085326683
1010201210012020
11328334411a155
121189090714270
1358cc7c066031
14273a53bc8936
1512a55472e480
hex947277fc174

10201210012020 has 48 divisors (see below), whose sum is σ = 29227652879040. Its totient is φ = 2657059351296.

The previous prime is 10201210011991. The next prime is 10201210012039. The reversal of 10201210012020 is 2021001210201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10201210011987 and 10201210012005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976976105 + ... + 1976981264.

It is an arithmetic number, because the mean of its divisors is an integer number (608909434980).

Almost surely, 210201210012020 is an apocalyptic number.

10201210012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201210012020 is an abundant number, since it is smaller than the sum of its proper divisors (19026442867020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201210012020 is a wasteful number, since it uses less digits than its factorization.

10201210012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953957424 (or 3953957422 counting only the distinct ones).

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

Adding to 10201210012020 its reverse (2021001210201), we get a palindrome (12222211222221).

The spelling of 10201210012020 in words is "ten trillion, two hundred one billion, two hundred ten million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 3953957369 7907914738 11861872107 15815829476 19769786845 23723744214 39539573690 47447488428 59309360535 79079147380 118618721070 170020166867 237237442140 340040333734 510060500601 680080667468 850100834335 1020121001202 1700201668670 2040242002404 2550302503005 3400403337340 5100605006010 10201210012020