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20232021330320 = 2451061238360289
BaseRepresentation
bin1001001100110101000100…
…11100011100100110010000
32122122011101100112022110012
410212122202130130212100
510122440134430032240
6111010243504254052
74155500230546022
oct446324234344620
978564340468405
1020232021330320
1164a0396658698
122329127011328
13b39b436a0137
144dd340dd6012
1525143460bb65
hex1266a271c990

20232021330320 has 40 divisors (see below), whose sum is σ = 47083784804280. Its totient is φ = 8085180968960.

The previous prime is 20232021330319. The next prime is 20232021330331. The reversal of 20232021330320 is 2303312023202.

It can be written as a sum of positive squares in 4 ways, for example, as 3309954371584 + 16922066958736 = 1819328^2 + 4113644^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×202320213303202 (a number of 27 digits) contains 22 as substring.

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, 119095265 + ... + 119265024.

It is an arithmetic number, because the mean of its divisors is an integer number (1177094620107).

Almost surely, 220232021330320 is an apocalyptic number.

20232021330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232021330320 is an abundant number, since it is smaller than the sum of its proper divisors (26851763473960).

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

20232021330320 is a wasteful number, since it uses less digits than its factorization.

20232021330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238361363 (or 238361357 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20232021330320 its reverse (2303312023202), we get a palindrome (22535333353522).

The spelling of 20232021330320 in words is "twenty trillion, two hundred thirty-two billion, twenty-one million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1061 2122 4244 5305 8488 10610 16976 21220 42440 84880 238360289 476720578 953441156 1191801445 1906882312 2383602890 3813764624 4767205780 9534411560 19068823120 252900266629 505800533258 1011601066516 1264501333145 2023202133032 2529002666290 4046404266064 5058005332580 10116010665160 20232021330320