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20233012130020 = 2257492971350133
BaseRepresentation
bin1001001100110110111011…
…00000000011000011100100
32122122020221101220011010101
410212123131200003003210
510122444202101130040
6111010530100433444
74155533621320624
oct446333540030344
978566841804111
1020233012130020
1164a0854968118
1223293629a8884
13b39c70a38751
144dd3d682a884
152514915c209a
hex1266dd8030e4

20233012130020 has 24 divisors (see below), whose sum is σ = 42489413649144. Its totient is φ = 8093188056576.

The previous prime is 20233012129987. The next prime is 20233012130147. The reversal of 20233012130020 is 2003121033202.

It can be written as a sum of positive squares in 4 ways, for example, as 46376483904 + 20186635646116 = 215352^2 + 4492954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20233012130020.

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 7 ways as a sum of consecutive naturals, for example, 14310874 + ... + 15661006.

It is an arithmetic number, because the mean of its divisors is an integer number (1770392235381).

Almost surely, 220233012130020 is an apocalyptic number.

20233012130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233012130020 is an abundant number, since it is smaller than the sum of its proper divisors (22256401519124).

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

20233012130020 is a wasteful number, since it uses less digits than its factorization.

20233012130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099439 (or 2099437 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20233012130020 its reverse (2003121033202), we get a palindrome (22236133163222).

The spelling of 20233012130020 in words is "twenty trillion, two hundred thirty-three billion, twelve million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 749297 1350133 1498594 2700266 2997188 3746485 5400532 6750665 7492970 13501330 14985940 27002660 1011650606501 2023301213002 4046602426004 5058253032505 10116506065010 20233012130020