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20210210000220 = 2235336836833337
BaseRepresentation
bin1001001100001100011100…
…11000110100110101011100
32122120002002021122221102110
410212012032120310311130
510122111002230001340
6110552235311554020
74154065562365242
oct446061630646534
978502067587373
1020210210000220
116492113736549
122324a5a52b910
13b37a78969356
144dc272328792
15250aa984a680
hex12618e634d5c

20210210000220 has 24 divisors (see below), whose sum is σ = 56588588000784. Its totient is φ = 5389389333376.

The previous prime is 20210210000179. The next prime is 20210210000231. The reversal of 20210210000220 is 2200001201202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20210210000196 and 20210210000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168418416609 + ... + 168418416728.

It is an arithmetic number, because the mean of its divisors is an integer number (2357857833366).

Almost surely, 220210210000220 is an apocalyptic number.

20210210000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210210000220 is an abundant number, since it is smaller than the sum of its proper divisors (36378378000564).

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

20210210000220 is a wasteful number, since it uses less digits than its factorization.

20210210000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336836833349 (or 336836833347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20210210000220 its reverse (2200001201202), we get a palindrome (22410211201422).

The spelling of 20210210000220 in words is "twenty trillion, two hundred ten billion, two hundred ten million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 336836833337 673673666674 1010510500011 1347347333348 1684184166685 2021021000022 3368368333370 4042042000044 5052552500055 6736736666740 10105105000110 20210210000220