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20422231334 = 213778739467
BaseRepresentation
bin10011000001010000…
…101000010100100110
31221201021000211202022
4103001100220110212
5313311042400314
613214251143142
71322040050021
oct230120502446
957637024668
1020422231334
11872a8a973a
123b5b444ab2
131c0600116b
14dba3d61b8
157e7d7178e
hex4c1428526

20422231334 has 16 divisors (see below), whose sum is σ = 30864127248. Its totient is φ = 10134223872.

The previous prime is 20422231327. The next prime is 20422231337. The reversal of 20422231334 is 43313222402.

It is a super-2 number, since 2×204222313342 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422231337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152469 + ... + 2161935.

It is an arithmetic number, because the mean of its divisors is an integer number (1929007953).

Almost surely, 220422231334 is an apocalyptic number.

20422231334 is a deficient number, since it is larger than the sum of its proper divisors (10441895914).

20422231334 is a wasteful number, since it uses less digits than its factorization.

20422231334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20422231334 its reverse (43313222402), we get a palindrome (63735453736).

The spelling of 20422231334 in words is "twenty billion, four hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty-four".

Divisors: 1 2 137 274 7873 9467 15746 18934 1078601 1296979 2157202 2593958 74533691 149067382 10211115667 20422231334