Search a number
-
+
20025341 = 723294289
BaseRepresentation
bin100110001100…
…0111111111101
31101200101121022
41030120333331
520111302331
61553113525
7332132630
oct114307775
941611538
1020025341
1110338376
1268588a5
1341c1b1b
142933c17
151b5867b
hex1318ffd

20025341 has 16 divisors (see below), whose sum is σ = 24710400. Its totient is φ = 15848448.

The previous prime is 20025329. The next prime is 20025353. The reversal of 20025341 is 14352002.

It is an interprime number because it is at equal distance from previous prime (20025329) and next prime (20025353).

It is not a de Polignac number, because 20025341 - 26 = 20025277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1544400).

Almost surely, 220025341 is an apocalyptic number.

It is an amenable number.

20025341 is a deficient number, since it is larger than the sum of its proper divisors (4685059).

20025341 is a wasteful number, since it uses less digits than its factorization.

20025341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20025341 is about 4474.9682680439. The cubic root of 20025341 is about 271.5563567019.

Adding to 20025341 its reverse (14352002), we get a palindrome (34377343).

The spelling of 20025341 in words is "twenty million, twenty-five thousand, three hundred forty-one".

Divisors: 1 7 23 29 161 203 667 4289 4669 30023 98647 124381 690529 870667 2860763 20025341