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120010102220 = 22531631130671
BaseRepresentation
bin110111111000100101…
…0001101010111001100
3102110202201011212010202
41233301022031113030
53431240041232340
6131044252553032
711445651015641
oct1576112152714
9373681155122
10120010102220
1146994635068
121b313182778
13b417313608
145b46815dc8
1531c5cedc15
hex1bf128d5cc

120010102220 has 48 divisors (see below), whose sum is σ = 260200636416. Its totient is φ = 46446648000.

The previous prime is 120010102217. The next prime is 120010102271. The reversal of 120010102220 is 22201010021.

It is a happy number.

120010102220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3897485 + ... + 3928155.

It is an arithmetic number, because the mean of its divisors is an integer number (5420846592).

Almost surely, 2120010102220 is an apocalyptic number.

120010102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010102220 is an abundant number, since it is smaller than the sum of its proper divisors (140190534196).

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

120010102220 is a wasteful number, since it uses less digits than its factorization.

120010102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37022 (or 37020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120010102220 its reverse (22201010021), we get a palindrome (142211112241).

The spelling of 120010102220 in words is "one hundred twenty billion, ten million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 6311 12622 25244 30671 31555 61342 63110 122684 126220 153355 195641 306710 391282 613420 782564 950801 978205 1901602 1956410 3803204 3912820 4754005 9508010 19016020 193564681 387129362 774258724 967823405 1935646810 3871293620 6000505111 12001010222 24002020444 30002525555 60005051110 120010102220