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2000022021020 = 2251791813086549
BaseRepresentation
bin11101000110101010100…
…110100010001110011100
321002012101222021122010102
4131012222212202032130
5230232021114133040
64130444125000232
7264332260452212
oct35065246421634
97065358248112
102000022021020
11701228321581
1228374b3b3078
131167a7ca466a
146cb31782cb2
1537059dcc515
hex1d1aa9a239c

2000022021020 has 48 divisors (see below), whose sum is σ = 4246845876000. Its totient is φ = 791143983360.

The previous prime is 2000022021017. The next prime is 2000022021037. The reversal of 2000022021020 is 201202200002.

It is a junction number, because it is equal to n+sod(n) for n = 2000022020992 and 2000022021010.

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, 895295 + ... + 2191254.

It is an arithmetic number, because the mean of its divisors is an integer number (88475955750).

Almost surely, 22000022021020 is an apocalyptic number.

2000022021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000022021020 is an abundant number, since it is smaller than the sum of its proper divisors (2246823854980).

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

2000022021020 is a wasteful number, since it uses less digits than its factorization.

2000022021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086918 (or 3086916 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2000022021020 its reverse (201202200002), we get a palindrome (2201224221022).

The spelling of 2000022021020 in words is "two trillion, twenty-two million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 179 181 358 362 716 724 895 905 1790 1810 3580 3620 32399 64798 129596 161995 323990 647980 3086549 6173098 12346196 15432745 30865490 61730980 552492271 558665369 1104984542 1117330738 2209969084 2234661476 2762461355 2793326845 5524922710 5586653690 11049845420 11173307380 100001101051 200002202102 400004404204 500005505255 1000011010510 2000022021020