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20524025226 = 2319376147869
BaseRepresentation
bin10011000111010100…
…111100010110001010
31221222100120111201110
4103013110330112022
5314013122301401
613232325031150
71324414223145
oct230724742612
957870514643
1020524025226
118782305a21
123b895554b6
131c21122333
14dc9b3305c
15801c7c9d6
hex4c753c58a

20524025226 has 32 divisors (see below), whose sum is σ = 43220865600. Its totient is φ = 6479412480.

The previous prime is 20524025213. The next prime is 20524025237. The reversal of 20524025226 is 62252042502.

It is a super-2 number, since 2×205240252262 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20524025193 and 20524025202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404820 + ... + 452688.

It is an arithmetic number, because the mean of its divisors is an integer number (1350652050).

Almost surely, 220524025226 is an apocalyptic number.

20524025226 is an abundant number, since it is smaller than the sum of its proper divisors (22696840374).

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

20524025226 is a wasteful number, since it uses less digits than its factorization.

20524025226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20524025226 its reverse (62252042502), we get a palindrome (82776067728).

The spelling of 20524025226 in words is "twenty billion, five hundred twenty-four million, twenty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 19 38 57 114 3761 7522 11283 22566 47869 71459 95738 142918 143607 214377 287214 428754 909511 1819022 2728533 5457066 180035309 360070618 540105927 1080211854 3420670871 6841341742 10262012613 20524025226