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2110021212020 = 225713342744453
BaseRepresentation
bin11110101101000111000…
…100001001011101110100
321110201100000011111202112
4132231013010021131310
5234032310412241040
64253155205230152
7305305202243111
oct36550704113564
97421300144675
102110021212020
11743944a69897
122a0b29a02358
13123c8827a267
14741a87d5908
1539d46db5365
hex1eb47109774

2110021212020 has 48 divisors (see below), whose sum is σ = 4493689135488. Its totient is φ = 832077429120.

The previous prime is 2110021211999. The next prime is 2110021212067. The reversal of 2110021212020 is 202121200112.

It is a junction number, because it is equal to n+sod(n) for n = 2110021211986 and 2110021212004.

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, 47444114 + ... + 47488566.

It is an arithmetic number, because the mean of its divisors is an integer number (93618523656).

Almost surely, 22110021212020 is an apocalyptic number.

2110021212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110021212020 is an abundant number, since it is smaller than the sum of its proper divisors (2383667923468).

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

2110021212020 is a wasteful number, since it uses less digits than its factorization.

2110021212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77960 (or 77958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2110021212020 its reverse (202121200112), we get a palindrome (2312142412132).

The spelling of 2110021212020 in words is "two trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 33427 44453 66854 88906 133708 167135 177812 222265 334270 444530 668540 889060 2373317 3156163 4746634 6312326 9493268 11866585 12624652 15780815 23733170 31561630 47466340 63123260 1485930431 2971860862 5943721724 7429652155 14859304310 29718608620 105501060601 211002121202 422004242404 527505303005 1055010606010 2110021212020