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220020210202120 = 23567194694216811
BaseRepresentation
bin110010000001101101110010…
…011110001111011000001000
31001212000201121202011012120121
4302001231302132033120020
5212314302342302431440
62055535520022233024
764225635626251456
oct6201556236173010
91055021552135517
10220020210202120
1164118057820369
1220815483285774
13959ca806673a3
143c4906c0439d6
151a6836d36334a
hexc81b7278f608

220020210202120 has 64 divisors (see below), whose sum is σ = 502460137396800. Its totient is φ = 86690057076480.

The previous prime is 220020210202061. The next prime is 220020210202127. The reversal of 220020210202120 is 21202012020022.

It is a junction number, because it is equal to n+sod(n) for n = 220020210202094 and 220020210202103.

It is not an unprimeable number, because it can be changed into a prime (220020210202127) 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, 50068515 + ... + 54285325.

It is an arithmetic number, because the mean of its divisors is an integer number (7850939646825).

Almost surely, 2220020210202120 is an apocalyptic number.

220020210202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020210202120 is an abundant number, since it is smaller than the sum of its proper divisors (282439927194680).

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

220020210202120 is a wasteful number, since it uses less digits than its factorization.

220020210202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236358 (or 4236354 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220020210202120 its reverse (21202012020022), we get a palindrome (241222222222142).

The spelling of 220020210202120 in words is "two hundred twenty trillion, twenty billion, two hundred ten million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 19469 38938 77876 97345 155752 194690 389380 778760 1304423 2608846 4216811 5217692 6522115 8433622 10435384 13044230 16867244 21084055 26088460 33734488 42168110 52176920 84336220 168672440 282526337 565052674 1130105348 1412631685 2260210696 2825263370 5650526740 11301053480 82097093359 164194186718 328388373436 410485466795 656776746872 820970933590 1641941867180 3283883734360 5500505255053 11001010510106 22002021020212 27502526275265 44004042040424 55005052550530 110010105101060 220020210202120