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2020111122020 = 2251031123987253
BaseRepresentation
bin11101011001011000000…
…000010111111001100100
321011010021000110200222012
4131121120000113321210
5231044141421401040
64144005400053352
7265643144135615
oct35313000277144
97133230420865
102020111122020
117097a7078492
12287617164258
13118659c77c84
146dab981dc0c
1537833898865
hex1d658017e64

2020111122020 has 48 divisors (see below), whose sum is σ = 4283850305280. Its totient is φ = 800118988416.

The previous prime is 2020111122013. The next prime is 2020111122053. The reversal of 2020111122020 is 202211110202.

It is a junction number, because it is equal to n+sod(n) for n = 2020111121986 and 2020111122004.

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 15 ways as a sum of consecutive naturals, for example, 23108714 + ... + 23195966.

It is an arithmetic number, because the mean of its divisors is an integer number (89246881360).

Almost surely, 22020111122020 is an apocalyptic number.

2020111122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020111122020 is an abundant number, since it is smaller than the sum of its proper divisors (2263739183260).

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

2020111122020 is a wasteful number, since it uses less digits than its factorization.

2020111122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98604 (or 98602 counting only the distinct ones).

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

Adding to 2020111122020 its reverse (202211110202), we get a palindrome (2222322232222).

The spelling of 2020111122020 in words is "two trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 11239 22478 44956 56195 87253 112390 174506 224780 349012 436265 872530 1157617 1745060 2315234 4630468 5788085 8987059 11576170 17974118 23152340 35948236 44935295 89870590 179741180 980636467 1961272934 3922545868 4903182335 9806364670 19612729340 101005556101 202011112202 404022224404 505027780505 1010055561010 2020111122020