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20442311041430 = 2517413613811763
BaseRepresentation
bin1001010010111100110001…
…01100000010000110010110
32200101021011210201111000002
410221132120230002012112
510134411323111311210
6111251022410451302
74206623344602545
oct451363054020626
980337153644002
1020442311041430
116571598720073
122361a34733b32
13b53917714365
145095ad8d215c
15256b410b94a5
hex129798b02196

20442311041430 has 64 divisors (see below), whose sum is σ = 39921995026368. Its totient is φ = 7506135920640.

The previous prime is 20442311041391. The next prime is 20442311041469. The reversal of 20442311041430 is 3414011324402.

It is an interprime number because it is at equal distance from previous prime (20442311041391) and next prime (20442311041469).

It is a junction number, because it is equal to n+sod(n) for n = 20442311041393 and 20442311041402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24776729 + ... + 25588491.

It is an arithmetic number, because the mean of its divisors is an integer number (623781172287).

Almost surely, 220442311041430 is an apocalyptic number.

20442311041430 is a deficient number, since it is larger than the sum of its proper divisors (19479683984938).

20442311041430 is a wasteful number, since it uses less digits than its factorization.

20442311041430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815441.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20442311041430 its reverse (3414011324402), we get a palindrome (23856322365832).

The spelling of 20442311041430 in words is "twenty trillion, four hundred forty-two billion, three hundred eleven million, forty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 41 82 85 170 205 410 697 1394 3485 3613 6970 7226 18065 36130 61421 122842 148133 296266 307105 614210 740665 811763 1481330 1623526 2518261 4058815 5036522 8117630 12591305 13799971 25182610 27599942 33282283 66564566 68999855 137999710 166411415 332822830 565798811 1131597622 2828994055 2932899719 5657988110 5865799438 14664498595 29328997190 49859295223 99718590446 120248888479 240497776958 249296476115 498592952230 601244442395 1202488884790 2044231104143 4088462208286 10221155520715 20442311041430