Search a number
-
+
20231202320220 = 2235337186705337
BaseRepresentation
bin1001001100110011100011…
…01000001010111101011100
32122122002021021102021210210
410212121301220022331130
510122432000243221340
6111010030330132420
74155441024225333
oct446316150127534
978562237367723
1020231202320220
1164a0006313241
122328b38881110
13b39a42ac2588
144dd2a431cd1a
152513d777c180
hex126671a0af5c

20231202320220 has 24 divisors (see below), whose sum is σ = 56647366496784. Its totient is φ = 5394987285376.

The previous prime is 20231202320207. The next prime is 20231202320221. The reversal of 20231202320220 is 2202320213202.

It is a super-2 number, since 2×202312023202202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231202320221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168593352609 + ... + 168593352728.

It is an arithmetic number, because the mean of its divisors is an integer number (2360306937366).

Almost surely, 220231202320220 is an apocalyptic number.

20231202320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231202320220 is an abundant number, since it is smaller than the sum of its proper divisors (36416164176564).

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

20231202320220 is a wasteful number, since it uses less digits than its factorization.

20231202320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337186705349 (or 337186705347 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20231202320220 its reverse (2202320213202), we get a palindrome (22433522533422).

The spelling of 20231202320220 in words is "twenty trillion, two hundred thirty-one billion, two hundred two million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 337186705337 674373410674 1011560116011 1348746821348 1685933526685 2023120232022 3371867053370 4046240464044 5057800580055 6743734106740 10115601160110 20231202320220