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20422030 = 252042203
BaseRepresentation
bin100110111100…
…1110110001110
31102102112202111
41031321312032
520212001110
62005414234
7335404306
oct115716616
942375674
1020422030
1110589412
126a0a37a
134300555
1429d8606
151bd5e8a
hex1379d8e

20422030 has 8 divisors (see below), whose sum is σ = 36759672. Its totient is φ = 8168808.

The previous prime is 20422027. The next prime is 20422037. The reversal of 20422030 is 3022402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20422030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021092 + ... + 1021111.

It is an arithmetic number, because the mean of its divisors is an integer number (4594959).

Almost surely, 220422030 is an apocalyptic number.

20422030 is a deficient number, since it is larger than the sum of its proper divisors (16337642).

20422030 is a wasteful number, since it uses less digits than its factorization.

20422030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042210.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20422030 is about 4519.0740201948. The cubic root of 20422030 is about 273.3377634949.

Adding to 20422030 its reverse (3022402), we get a palindrome (23444432).

The spelling of 20422030 in words is "twenty million, four hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 2042203 4084406 10211015 20422030