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20205082313770 = 252020508231377
BaseRepresentation
bin1001001100000010111001…
…10000010000010000101010
32122112120211221000110222111
410212001130300100100222
510122020002033020040
6110550030415512534
74153524526644124
oct446013460202052
978476757013874
1020205082313770
11648aa22247852
122323a6922874a
13b3743c522063
144dbd0730a214
152508a95c0dea
hex12605cc1042a

20205082313770 has 8 divisors (see below), whose sum is σ = 36369148164804. Its totient is φ = 8082032925504.

The previous prime is 20205082313711. The next prime is 20205082313777. The reversal of 20205082313770 is 7731328050202.

It can be written as a sum of positive squares in 2 ways, for example, as 19860739858521 + 344342455249 = 4456539^2 + 586807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202050823137702 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20205082313777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010254115679 + ... + 1010254115698.

Almost surely, 220205082313770 is an apocalyptic number.

20205082313770 is a deficient number, since it is larger than the sum of its proper divisors (16164065851034).

20205082313770 is a wasteful number, since it uses less digits than its factorization.

20205082313770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020508231384.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20205082313770 in words is "twenty trillion, two hundred five billion, eighty-two million, three hundred thirteen thousand, seven hundred seventy".

Divisors: 1 2 5 10 2020508231377 4041016462754 10102541156885 20205082313770