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2020210220120 = 235563318128201
BaseRepresentation
bin11101011001011101111…
…010011001110001011000
321011010111220221102000012
4131121131322121301120
5231044342304020440
64144023300101052
7265645456353431
oct35313572316130
97133456842005
102020210220120
11709848003344
12287644394788
131186746640c1
146dac8a58488
153783c420e65
hex1d65de99c58

2020210220120 has 64 divisors (see below), whose sum is σ = 4555139660640. Its totient is φ = 806366592000.

The previous prime is 2020210220101. The next prime is 2020210220173. The reversal of 2020210220120 is 210220120202.

It is a junction number, because it is equal to n+sod(n) for n = 2020210220095 and 2020210220104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71622020 + ... + 71650220.

Almost surely, 22020210220120 is an apocalyptic number.

2020210220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020210220120 is an abundant number, since it is smaller than the sum of its proper divisors (2534929440520).

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

2020210220120 is a wasteful number, since it uses less digits than its factorization.

2020210220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31956 (or 31952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020210220120 its reverse (210220120202), we get a palindrome (2230430340322).

The spelling of 2020210220120 in words is "two trillion, twenty billion, two hundred ten million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 563 1126 2252 2815 3181 4504 5630 6362 11260 12724 15905 22520 25448 28201 31810 56402 63620 112804 127240 141005 225608 282010 564020 1128040 1790903 3581806 7163612 8954515 14327224 15877163 17909030 31754326 35818060 63508652 71636120 79385815 89707381 127017304 158771630 179414762 317543260 358829524 448536905 635086520 717659048 897073810 1794147620 3588295240 50505255503 101010511006 202021022012 252526277515 404042044024 505052555030 1010105110060 2020210220120