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20230566774020 = 2252322447781427
BaseRepresentation
bin1001001100110010010111…
…01111110000010100000100
32122122000121222112012022122
410212121023233300110010
510122424200043232040
6111005443304145112
74155416206201061
oct446311357602404
978560558465278
1020230566774020
11649a80a596a49
12232899ba68198
13b3997122c435
144dd243b61c68
1525139ba8c1b5
hex12664bbf0504

20230566774020 has 72 divisors (see below), whose sum is σ = 44429845590144. Its totient is φ = 7737217647808.

The previous prime is 20230566774013. The next prime is 20230566774059. The reversal of 20230566774020 is 2047766503202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25498547 + ... + 26279973.

It is an arithmetic number, because the mean of its divisors is an integer number (617081188752).

Almost surely, 220230566774020 is an apocalyptic number.

20230566774020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230566774020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22214922795072).

20230566774020 is an abundant number, since it is smaller than the sum of its proper divisors (24199278816124).

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

20230566774020 is a wasteful number, since it uses less digits than its factorization.

20230566774020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783929 (or 783904 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 20230566774020 in words is "twenty trillion, two hundred thirty billion, five hundred sixty-six million, seven hundred seventy-four thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 529 1058 2116 2447 2645 4894 5290 9788 10580 12235 24470 48940 56281 112562 225124 281405 562810 781427 1125620 1294463 1562854 2588926 3125708 3907135 5177852 6472315 7814270 12944630 15628540 17972821 25889260 35945642 71891284 89864105 179728210 359456420 413374883 826749766 1653499532 1912151869 2066874415 3824303738 4133748830 7648607476 8267497660 9560759345 19121518690 38243037380 43979492987 87958985974 175917971948 219897464935 439794929870 879589859740 1011528338701 2023056677402 4046113354804 5057641693505 10115283387010 20230566774020