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120201020010220 = 22571277730482033
BaseRepresentation
bin11011010101001001111011…
…000110010110111011101100
3120202121002211202101121102011
4123111021323012112323230
5111223333142110311340
61103351330345211004
734214144221112662
oct3325117306267354
9522532752347364
10120201020010220
1135332a6a186166
121159391a490a64
13520bba4b70c96
142197a907cac32
15dd6a874100ea
hex6d527b196eec

120201020010220 has 48 divisors (see below), whose sum is σ = 256069569526848. Its totient is φ = 47386147665920.

The previous prime is 120201020010179. The next prime is 120201020010229. The reversal of 120201020010220 is 22010020102021.

It is a happy number.

It is a super-2 number, since 2×1202010200102202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120201020010220.

It is not an unprimeable number, because it can be changed into a prime (120201020010229) 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, 11297677 + ... + 19184356.

It is an arithmetic number, because the mean of its divisors is an integer number (5334782698476).

Almost surely, 2120201020010220 is an apocalyptic number.

120201020010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201020010220 is an abundant number, since it is smaller than the sum of its proper divisors (135868549516628).

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

120201020010220 is a wasteful number, since it uses less digits than its factorization.

120201020010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30484890 (or 30484888 counting only the distinct ones).

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

Adding to 120201020010220 its reverse (22010020102021), we get a palindrome (142211040112241).

The spelling of 120201020010220 in words is "one hundred twenty trillion, two hundred one billion, twenty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 2777 5554 11108 13885 27770 55540 197167 394334 788668 985835 1971670 3943340 30482033 60964066 121928132 152410165 304820330 609640660 2164224343 4328448686 8656897372 10821121715 21642243430 43284486860 84648605641 169297211282 338594422564 423243028205 846486056410 1692972112820 6010051000511 12020102001022 24040204002044 30050255002555 60100510005110 120201020010220