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20323202 = 210161601
BaseRepresentation
bin100110110000…
…1101110000010
31102020112012012
41031201232002
520200320302
62003332522
7334513214
oct115415602
942215165
1020323202
1110521139
126981142
134297583
1429b05b4
151bb6a52
hex1361b82

20323202 has 4 divisors (see below), whose sum is σ = 30484806. Its totient is φ = 10161600.

The previous prime is 20323201. The next prime is 20323267. The reversal of 20323202 is 20232302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15531481 + 4791721 = 3941^2 + 2189^2 .

It is not an unprimeable number, because it can be changed into a prime (20323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080799 + ... + 5080802.

Almost surely, 220323202 is an apocalyptic number.

20323202 is a deficient number, since it is larger than the sum of its proper divisors (10161604).

20323202 is a wasteful number, since it uses less digits than its factorization.

20323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161603.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20323202 is about 4508.1262182863. The cubic root of 20323202 is about 272.8961306563.

Adding to 20323202 its reverse (20232302), we get a palindrome (40555504).

The spelling of 20323202 in words is "twenty million, three hundred twenty-three thousand, two hundred two".

Divisors: 1 2 10161601 20323202