Search a number
-
+
20210413444 = 22132335334783
BaseRepresentation
bin10010110100101000…
…100110111110000100
31221011111110101020021
4102310220212332010
5312342331212234
613141243144524
71313555452114
oct226450467604
957144411207
1020210413444
118631284831
123b00515144
131ba1169a30
14d9a219044
157d44809b4
hex4b4a26f84

20210413444 has 48 divisors (see below), whose sum is σ = 39764454912. Its totient is φ = 8917932672.

The previous prime is 20210413441. The next prime is 20210413477. The reversal of 20210413444 is 44431401202.

It is a super-2 number, since 2×202104134442 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20210413441) 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, 4223077 + ... + 4227859.

It is an arithmetic number, because the mean of its divisors is an integer number (828426144).

Almost surely, 220210413444 is an apocalyptic number.

It is an amenable number.

20210413444 is a deficient number, since it is larger than the sum of its proper divisors (19554041468).

20210413444 is a wasteful number, since it uses less digits than its factorization.

20210413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8354 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20210413444 its reverse (44431401202), we get a palindrome (64641814646).

The spelling of 20210413444 in words is "twenty billion, two hundred ten million, four hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 3533 4783 7066 9566 14132 19132 45929 62179 81259 91858 110009 124358 162518 183716 220018 248716 325036 440036 1056367 1430117 2112734 2860234 4225468 5720468 16898339 33796678 67593356 219678407 388661797 439356814 777323594 878713628 1554647188 5052603361 10105206722 20210413444