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20230203120340 = 22540119011326917
BaseRepresentation
bin1001001100110001101100…
…00100100001101011010100
32122121222200122020200020211
410212120312010201223110
510122422423444322330
6111005343233535204
74155404202166213
oct446306604415324
978558618220224
1020230203120340
11649a643296614
1223288ba114504
13b39913aa5645
144dd20b73d07a
15251379ba7d2a
hex126636121ad4

20230203120340 has 48 divisors (see below), whose sum is σ = 42611806039824. Its totient is φ = 8067649280000.

The previous prime is 20230203120329. The next prime is 20230203120371. The reversal of 20230203120340 is 4302130203202.

It can be written as a sum of positive squares in 8 ways, for example, as 2760110404164 + 17470092716176 = 1661358^2 + 4179724^2 .

It is a super-2 number, since 2×202302031203402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 14582562 + ... + 15909478.

It is an arithmetic number, because the mean of its divisors is an integer number (887745959163).

Almost surely, 220230203120340 is an apocalyptic number.

20230203120340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20230203120340 is an abundant number, since it is smaller than the sum of its proper divisors (22381602919484).

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

20230203120340 is a wasteful number, since it uses less digits than its factorization.

20230203120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329228 (or 1329226 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20230203120340 its reverse (4302130203202), we get a palindrome (24532333323542).

The spelling of 20230203120340 in words is "twenty trillion, two hundred thirty billion, two hundred three million, one hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 401 802 1604 1901 2005 3802 4010 7604 8020 9505 19010 38020 762301 1326917 1524602 2653834 3049204 3811505 5307668 6634585 7623010 13269170 15246020 26538340 532093717 1064187434 2128374868 2522469217 2660468585 5044938434 5320937170 10089876868 10641874340 12612346085 25224692170 50449384340 1011510156017 2023020312034 4046040624068 5057550780085 10115101560170 20230203120340