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20443011222430 = 2511873667746957
BaseRepresentation
bin1001010010111110000100…
…11011000000101110011110
32200101022222121020100202201
410221133002123000232132
510134414241333104210
6111251220102042114
74206646606206556
oct451370233005636
980338877210681
1020443011222430
116571917983455
122361bab11933a
13b539c97b7c44
145096388b6166
15256b827c553a
hex1297c26c0b9e

20443011222430 has 32 divisors (see below), whose sum is σ = 36830209005216. Its totient is φ = 8169918766464.

The previous prime is 20443011222397. The next prime is 20443011222457. The reversal of 20443011222430 is 3422211034402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435332512 + ... + 435379468.

It is an arithmetic number, because the mean of its divisors is an integer number (1150944031413).

Almost surely, 220443011222430 is an apocalyptic number.

20443011222430 is a deficient number, since it is larger than the sum of its proper divisors (16387197782786).

20443011222430 is a wasteful number, since it uses less digits than its factorization.

20443011222430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84828.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20443011222430 its reverse (3422211034402), we get a palindrome (23865222256832).

The spelling of 20443011222430 in words is "twenty trillion, four hundred forty-three billion, eleven million, two hundred twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 1187 2374 5935 11870 36677 46957 73354 93914 183385 234785 366770 469570 43535599 55737959 87071198 111475918 217677995 278689795 435355990 557379590 1722241889 3444483778 8611209445 17222418890 2044301122243 4088602244486 10221505611215 20443011222430