Search a number
-
+
20200425 = 3527109353
BaseRepresentation
bin100110100001…
…1101111101001
31102000021202220
41031003233221
520132403200
62000544253
7333462240
oct115035751
942007686
1020200425
1110447973
126922089
13425371b
14297b957
151b904a0
hex1343be9

20200425 has 48 divisors (see below), whose sum is σ = 38628480. Its totient is φ = 9123840.

The previous prime is 20200393. The next prime is 20200429. The reversal of 20200425 is 52400202.

It is not a de Polignac number, because 20200425 - 25 = 20200393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57049 + ... + 57401.

It is an arithmetic number, because the mean of its divisors is an integer number (804760).

Almost surely, 220200425 is an apocalyptic number.

20200425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20200425 is a deficient number, since it is larger than the sum of its proper divisors (18428055).

20200425 is a wasteful number, since it uses less digits than its factorization.

20200425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20200425 is about 4494.4882912296. The cubic root of 20200425 is about 272.3454781438.

Adding to 20200425 its reverse (52400202), we get a palindrome (72600627).

The spelling of 20200425 in words is "twenty million, two hundred thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 109 175 327 353 525 545 763 1059 1635 1765 2289 2471 2725 3815 5295 7413 8175 8825 11445 12355 19075 26475 37065 38477 57225 61775 115431 185325 192385 269339 577155 808017 961925 1346695 2885775 4040085 6733475 20200425