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210220210120 = 23516811312623
BaseRepresentation
bin1100001111001000011…
…0011101011111001000
3202002121121102011010011
43003302012131133020
511421012333210440
6240323540401304
721121311205654
oct3036206353710
9662547364104
10210220210120
1181176912348
12348aa3a6234
1316a9281b89b
14a2635a7a64
15570582e9ea
hex30f219d7c8

210220210120 has 32 divisors (see below), whose sum is σ = 473025121920. Its totient is φ = 84082813120.

The previous prime is 210220210103. The next prime is 210220210139. The reversal of 210220210120 is 21012022012.

It is a happy number.

210220210120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210220210120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516129 + ... + 828751.

It is an arithmetic number, because the mean of its divisors is an integer number (14782035060).

Almost surely, 2210220210120 is an apocalyptic number.

210220210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220210120 is an abundant number, since it is smaller than the sum of its proper divisors (262804911800).

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

210220210120 is a wasteful number, since it uses less digits than its factorization.

210220210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329445 (or 329441 counting only the distinct ones).

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

Adding to 210220210120 its reverse (21012022012), we get a palindrome (231232232132).

The spelling of 210220210120 in words is "two hundred ten billion, two hundred twenty million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 16811 33622 67244 84055 134488 168110 312623 336220 625246 672440 1250492 1563115 2500984 3126230 6252460 12504920 5255505253 10511010506 21022021012 26277526265 42044042024 52555052530 105110105060 210220210120