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20343201 = 323294829
BaseRepresentation
bin100110110011…
…0100110100001
31102021112121220
41031212212201
520201440301
62004005253
7334625424
oct115464641
942245556
1020343201
111053516a
126990829
1342a36c8
1429b79bb
151bbc936
hex13669a1

20343201 has 8 divisors (see below), whose sum is σ = 28303680. Its totient is φ = 12972432.

The previous prime is 20343199. The next prime is 20343209. The reversal of 20343201 is 10234302.

Adding to 20343201 its reverse (10234302), we get a palindrome (30577503).

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

It is not a de Polignac number, because 20343201 - 21 = 20343199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343209) 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, 147346 + ... + 147483.

It is an arithmetic number, because the mean of its divisors is an integer number (3537960).

Almost surely, 220343201 is an apocalyptic number.

It is an amenable number.

20343201 is a deficient number, since it is larger than the sum of its proper divisors (7960479).

20343201 is a wasteful number, since it uses less digits than its factorization.

20343201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294855.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20343201 is about 4510.3437784719. The cubic root of 20343201 is about 272.9856155794.

The spelling of 20343201 in words is "twenty million, three hundred forty-three thousand, two hundred one".

Divisors: 1 3 23 69 294829 884487 6781067 20343201