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20422335 = 3531371187
BaseRepresentation
bin100110111100…
…1111010111111
31102102120011210
41031321322333
520212003320
62005415503
7335405223
oct115717277
942376153
1020422335
111058966a
126a0a593
13430072b
1429d8783
151bd60e0
hex1379ebf

20422335 has 32 divisors (see below), whose sum is σ = 34670592. Its totient is φ = 10247040.

The previous prime is 20422313. The next prime is 20422343. The reversal of 20422335 is 53322402.

It is not a de Polignac number, because 20422335 - 28 = 20422079 is a prime.

It is a super-3 number, since 3×204223353 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16612 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (1083456).

Almost surely, 220422335 is an apocalyptic number.

20422335 is a deficient number, since it is larger than the sum of its proper divisors (14248257).

20422335 is a wasteful number, since it uses less digits than its factorization.

20422335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20422335 is about 4519.1077659202. The cubic root of 20422335 is about 273.3391242411.

Adding to 20422335 its reverse (53322402), we get a palindrome (73744737).

The spelling of 20422335 in words is "twenty million, four hundred twenty-two thousand, three hundred thirty-five".

Divisors: 1 3 5 15 31 37 93 111 155 185 465 555 1147 1187 3441 3561 5735 5935 17205 17805 36797 43919 110391 131757 183985 219595 551955 658785 1361489 4084467 6807445 20422335