Search a number
-
+
20740214 = 2116191523
BaseRepresentation
bin100111100011…
…1100001110110
31110000201020002
41033013201312
520302141324
62020311302
7341201045
oct117074166
943021202
1020740214
1110786480
126b42532
1343b2321
142a7c55c
151c4a3ae
hex13c7876

20740214 has 16 divisors (see below), whose sum is σ = 34015680. Its totient is φ = 9405960.

The previous prime is 20740201. The next prime is 20740217. The reversal of 20740214 is 41204702.

Adding to 20740214 its reverse (41204702), we get a palindrome (61944916).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20740217) 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, 12857 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (2125980).

Almost surely, 220740214 is an apocalyptic number.

20740214 is a deficient number, since it is larger than the sum of its proper divisors (13275466).

20740214 is a wasteful number, since it uses less digits than its factorization.

20740214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 20740214 is about 4554.1425098475. The cubic root of 20740214 is about 274.7500273914.

The spelling of 20740214 in words is "twenty million, seven hundred forty thousand, two hundred fourteen".

Divisors: 1 2 11 22 619 1238 1523 3046 6809 13618 16753 33506 942737 1885474 10370107 20740214