Search a number
-
+
20323195 = 54064639
BaseRepresentation
bin100110110000…
…1101101111011
31102020112011221
41031201231323
520200320240
62003332511
7334513204
oct115415573
942215157
1020323195
1110521132
126981137
134297579
1429b05ab
151bb6a4a
hex1361b7b

20323195 has 4 divisors (see below), whose sum is σ = 24387840. Its totient is φ = 16258552.

The previous prime is 20323183. The next prime is 20323201. The reversal of 20323195 is 59132302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20323195 - 27 = 20323067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032315 + ... + 2032324.

It is an arithmetic number, because the mean of its divisors is an integer number (6096960).

Almost surely, 220323195 is an apocalyptic number.

20323195 is a deficient number, since it is larger than the sum of its proper divisors (4064645).

20323195 is an equidigital number, since it uses as much as digits as its factorization.

20323195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064644.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 20323195 is about 4508.1254419104. The cubic root of 20323195 is about 272.8960993248.

Adding to 20323195 its reverse (59132302), we get a palindrome (79455497).

The spelling of 20323195 in words is "twenty million, three hundred twenty-three thousand, one hundred ninety-five".

Divisors: 1 5 4064639 20323195