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20243234201 = 1933598221
BaseRepresentation
bin10010110110100101…
…110011110110011001
31221020210012211211212
4102312211303312121
5312424231443301
613144414432505
71314434436341
oct226645636631
957223184755
1020243234201
118648861523
123b0b502735
131ba7bbb8b8
14da071dd21
157d72b54bb
hex4b6973d99

20243234201 has 16 divisors (see below), whose sum is σ = 21429820800. Its totient is φ = 19122054480.

The previous prime is 20243234189. The next prime is 20243234233. The reversal of 20243234201 is 10243234202.

It is not a de Polignac number, because 20243234201 - 210 = 20243233177 is a prime.

It is a super-2 number, since 2×202432342012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243234251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2458271 + ... + 2466491.

It is an arithmetic number, because the mean of its divisors is an integer number (1339363800).

Almost surely, 220243234201 is an apocalyptic number.

It is an amenable number.

20243234201 is a deficient number, since it is larger than the sum of its proper divisors (1186586599).

20243234201 is an frugal number, since it uses more digits than its factorization.

20243234201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20243234201 its reverse (10243234202), we get a palindrome (30486468403).

Subtracting from 20243234201 its reverse (10243234202), we obtain a palindrome (9999999999).

The spelling of 20243234201 in words is "twenty billion, two hundred forty-three million, two hundred thirty-four thousand, two hundred one".

Divisors: 1 19 359 361 6821 6859 8221 129599 156199 2462381 2951339 2967781 56075441 56387839 1065433379 20243234201