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120220210222220 = 22519866336519563
BaseRepresentation
bin11011010101011011110010…
…111011001101010010001100
3120202122221101011011101100202
4123111123302323031102030
5111224141442304102340
61103404222510113032
734215423611165633
oct3325336273152214
9522587334141322
10120220210222220
11353401175994a9
12115975951ab778
135210942849804
14219899131a51a
15dd730c01dc15
hex6d56f2ecd48c

120220210222220 has 48 divisors (see below), whose sum is σ = 265780622096640. Its totient is φ = 45551872230336.

The previous prime is 120220210222157. The next prime is 120220210222319. The reversal of 120220210222220 is 22222012022021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120220210222192 and 120220210222201.

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, 14967842 + ... + 21551721.

It is an arithmetic number, because the mean of its divisors is an integer number (5537096293680).

Almost surely, 2120220210222220 is an apocalyptic number.

120220210222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220210222220 is an abundant number, since it is smaller than the sum of its proper divisors (145560411874420).

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

120220210222220 is a wasteful number, since it uses less digits than its factorization.

120220210222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36528254 (or 36528252 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 120220210222220 its reverse (22222012022021), we get a palindrome (142442222244241).

The spelling of 120220210222220 in words is "one hundred twenty trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 8663 17326 34652 43315 86630 164597 173260 329194 658388 822985 1645970 3291940 36519563 73039126 146078252 182597815 365195630 693871697 730391260 1387743394 2775486788 3469358485 6938716970 13877433940 316368974269 632737948538 1265475897076 1581844871345 3163689742690 6011010511111 6327379485380 12022021022222 24044042044444 30055052555555 60110105111110 120220210222220