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210002020112220 = 22357500004809791
BaseRepresentation
bin101111101111111011100111…
…110011111001011101011100
31000112112222220212001122101220
4233233323213303321131130
5210011133114122042340
62022345332440333340
762143100553441120
oct5757734763713534
91015488825048356
10210002020112220
1160a053a16805a6
121b67796b774250
13902414aab3c7b
1439c021b165580
15194297b518ed0
hexbefee7cf975c

210002020112220 has 48 divisors (see below), whose sum is σ = 672006464360448. Its totient is φ = 48000461739840.

The previous prime is 210002020112117. The next prime is 210002020112231. The reversal of 210002020112220 is 22211020200012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210002020112220.

It is a congruent number.

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, 250002404476 + ... + 250002405315.

It is an arithmetic number, because the mean of its divisors is an integer number (14000134674176).

Almost surely, 2210002020112220 is an apocalyptic number.

210002020112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002020112220 is an abundant number, since it is smaller than the sum of its proper divisors (462004444248228).

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

210002020112220 is a wasteful number, since it uses less digits than its factorization.

210002020112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500004809810 (or 500004809808 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210002020112220 its reverse (22211020200012), we get a palindrome (232213040312232).

The spelling of 210002020112220 in words is "two hundred ten trillion, two billion, twenty million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 500004809791 1000009619582 1500014429373 2000019239164 2500024048955 3000028858746 3500033668537 5000048097910 6000057717492 7000067337074 7500072146865 10000096195820 10500101005611 14000134674148 15000144293730 17500168342685 21000202011222 30000288587460 35000336685370 42000404022444 52500505028055 70000673370740 105001010056110 210002020112220