Search a number
-
+
20700292 = 2214593547
BaseRepresentation
bin100111011110…
…1110010000100
31102221200110111
41032331302010
520244402132
62015402404
7340643464
oct116756204
942850414
1020700292
1110759488
126b23404
13439a0c2
142a6bba4
151c3d647
hex13bdc84

20700292 has 12 divisors (see below), whose sum is σ = 36260560. Its totient is φ = 10340136.

The previous prime is 20700269. The next prime is 20700301. The reversal of 20700292 is 29200702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4063 + ... + 7609.

Almost surely, 220700292 is an apocalyptic number.

It is an amenable number.

20700292 is a deficient number, since it is larger than the sum of its proper divisors (15560268).

20700292 is a wasteful number, since it uses less digits than its factorization.

20700292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20700292 is about 4549.7573561675. The cubic root of 20700292 is about 274.5736290864.

Adding to 20700292 its reverse (29200702), we get a palindrome (49900994).

The spelling of 20700292 in words is "twenty million, seven hundred thousand, two hundred ninety-two".

Divisors: 1 2 4 1459 2918 3547 5836 7094 14188 5175073 10350146 20700292