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20232107730520 = 235772257527609
BaseRepresentation
bin1001001100110101001111…
…00110000010011001011000
32122122011121101002220020121
410212122213212002121120
510122440324034334040
6111010300232203024
74155502330126450
oct446324746023130
978564541086217
1020232107730520
1164a0430400414
12232914bb39474
13b39b5856170a
144dd34c686d60
1525143bec6c4a
hex1266a7982658

20232107730520 has 32 divisors (see below), whose sum is σ = 52025419879200. Its totient is φ = 6936722650368.

The previous prime is 20232107730503. The next prime is 20232107730521. The reversal of 20232107730520 is 2503770123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232107730521) 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, 36128763525 + ... + 36128764084.

It is an arithmetic number, because the mean of its divisors is an integer number (1625794371225).

Almost surely, 220232107730520 is an apocalyptic number.

20232107730520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232107730520 is an abundant number, since it is smaller than the sum of its proper divisors (31793312148680).

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

20232107730520 is a wasteful number, since it uses less digits than its factorization.

20232107730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72257527627 (or 72257527623 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

Adding to 20232107730520 its reverse (2503770123202), we get a palindrome (22735877853722).

The spelling of 20232107730520 in words is "twenty trillion, two hundred thirty-two billion, one hundred seven million, seven hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 72257527609 144515055218 289030110436 361287638045 505802693263 578060220872 722575276090 1011605386526 1445150552180 2023210773052 2529013466315 2890301104360 4046421546104 5058026932630 10116053865260 20232107730520