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20212022031020 = 22510932321286859
BaseRepresentation
bin1001001100001111110100…
…11001001011001010101100
32122120020202120022122101022
410212013322121023022230
510122123210114443040
6110553135202033312
74154161514401001
oct446077231131254
978506676278338
1020212022031020
116492963568066
122325285348838
13b37ca71ac421
144dc3a4c538a8
15250b6397d6b5
hex1261fa64b2ac

20212022031020 has 48 divisors (see below), whose sum is σ = 42836126810400. Its totient is φ = 8010360483840.

The previous prime is 20212022030929. The next prime is 20212022031053. The reversal of 20212022031020 is 2013022021202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212022031020.

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, 70316351 + ... + 70603209.

It is an arithmetic number, because the mean of its divisors is an integer number (892419308550).

Almost surely, 220212022031020 is an apocalyptic number.

20212022031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212022031020 is an abundant number, since it is smaller than the sum of its proper divisors (22624104779380).

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

20212022031020 is a wasteful number, since it uses less digits than its factorization.

20212022031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319298 (or 319296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212022031020 its reverse (2013022021202), we get a palindrome (22225044052222).

The spelling of 20212022031020 in words is "twenty trillion, two hundred twelve billion, twenty-two million, thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 32321 64642 129284 161605 286859 323210 573718 646420 1147436 1434295 2868590 3522989 5737180 7045978 14091956 17614945 31267631 35229890 62535262 70459780 125070524 156338155 312676310 625352620 9271569739 18543139478 37086278956 46357848695 92715697390 185431394780 1010601101551 2021202203102 4042404406204 5053005507755 10106011015510 20212022031020