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120202020111220 = 22543672086116281
BaseRepresentation
bin11011010101001010110110…
…101101011100001101110100
3120202121012102110021000001221
4123111022312231130031310
5111223342214122024340
61103352013513000124
734214211053614225
oct3325126655341564
9522535373230057
10120202020111220
1135333432768913
1211593b593b3044
13520c004115118
142197b4756324c
15dd6ae511144a
hex6d52b6b5c374

120202020111220 has 48 divisors (see below), whose sum is σ = 262149716461248. Its totient is φ = 46261714625280.

The previous prime is 120202020111191. The next prime is 120202020111221. The reversal of 120202020111220 is 22111020202021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120202020111194 and 120202020111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202020111221) 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, 1043000521 + ... + 1043115760.

It is an arithmetic number, because the mean of its divisors is an integer number (5461452426276).

Almost surely, 2120202020111220 is an apocalyptic number.

120202020111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202020111220 is an abundant number, since it is smaller than the sum of its proper divisors (141947696350028).

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

120202020111220 is a wasteful number, since it uses less digits than its factorization.

120202020111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086116400 (or 2086116398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120202020111220 its reverse (22111020202021), we get a palindrome (142313040313241).

The spelling of 120202020111220 in words is "one hundred twenty trillion, two hundred two billion, twenty million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 67 86 134 172 215 268 335 430 670 860 1340 2881 5762 11524 14405 28810 57620 2086116281 4172232562 8344465124 10430581405 20861162810 41722325620 89703000083 139769790827 179406000166 279539581654 358812000332 448515000415 559079163308 698848954135 897030000830 1397697908270 1794060001660 2795395816540 6010101005561 12020202011122 24040404022244 30050505027805 60101010055610 120202020111220