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20233111110020 = 2251223827191787
BaseRepresentation
bin1001001100110111000110…
…11001101000000110000100
32122122021012022010212011022
410212123203121220012010
510122444402421010040
6111010543554130312
74155536232534224
oct446334331500604
978567168125138
1020233111110020
1164a08a5822276
12232938bb80998
13b39c883b2bb3
144dd405a34084
1525149a1246b5
hex1266e3668184

20233111110020 has 24 divisors (see below), whose sum is σ = 42524275437504. Its totient is φ = 8086626899936.

The previous prime is 20233111110011. The next prime is 20233111110059. The reversal of 20233111110020 is 2001111133202.

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, 413571434 + ... + 413620353.

It is an arithmetic number, because the mean of its divisors is an integer number (1771844809896).

Almost surely, 220233111110020 is an apocalyptic number.

20233111110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233111110020 is an abundant number, since it is smaller than the sum of its proper divisors (22291164327484).

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

20233111110020 is a wasteful number, since it uses less digits than its factorization.

20233111110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827193019 (or 827193017 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20233111110020 its reverse (2001111133202), we get a palindrome (22234222243222).

The spelling of 20233111110020 in words is "twenty trillion, two hundred thirty-three billion, one hundred eleven million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 1223 2446 4892 6115 12230 24460 827191787 1654383574 3308767148 4135958935 8271917870 16543835740 1011655555501 2023311111002 4046622222004 5058277777505 10116555555010 20233111110020