Search a number
-
+
20272006 = 2431072203
BaseRepresentation
bin100110101010…
…1001110000110
31102010220222001
41031111032012
520142201011
62002255514
7334211026
oct115251606
942126861
1020272006
1110496727
12695759a
13427a191
142999a86
151ba67c1
hex1355386

20272006 has 16 divisors (see below), whose sum is σ = 31420224. Its totient is φ = 9803304.

The previous prime is 20271983. The next prime is 20272009. The reversal of 20272006 is 60027202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272009) 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, 8101 + ... + 10303.

It is an arithmetic number, because the mean of its divisors is an integer number (1963764).

Almost surely, 220272006 is an apocalyptic number.

20272006 is a deficient number, since it is larger than the sum of its proper divisors (11148218).

20272006 is a wasteful number, since it uses less digits than its factorization.

20272006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20272006 is about 4502.4444471864. Note that the first 5 decimals coincide. The cubic root of 20272006 is about 272.6667878865. Note that the first 3 decimals are identical.

Adding to 20272006 its reverse (60027202), we get a palindrome (80299208).

The spelling of 20272006 in words is "twenty million, two hundred seventy-two thousand, six".

Divisors: 1 2 43 86 107 214 2203 4406 4601 9202 94729 189458 235721 471442 10136003 20272006