Search a number
-
+
20020300 = 22521941257
BaseRepresentation
bin100110001011…
…1110001001100
31101200010200121
41030113301030
520111122200
61553034324
7332112136
oct114276114
941603617
1020020300
1110334603
1268559a4
1341bc741
142932056
151b56e1a
hex1317c4c

20020300 has 72 divisors (see below), whose sum is σ = 47028240. Its totient is φ = 7372800.

The previous prime is 20020291. The next prime is 20020303. The reversal of 20020300 is 302002.

It is not an unprimeable number, because it can be changed into a prime (20020303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77772 + ... + 78028.

It is an arithmetic number, because the mean of its divisors is an integer number (653170).

Almost surely, 220020300 is an apocalyptic number.

20020300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23514120).

20020300 is an abundant number, since it is smaller than the sum of its proper divisors (27007940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020300 is a wasteful number, since it uses less digits than its factorization.

20020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 20020300 is about 4474.4049883755. The cubic root of 20020300 is about 271.5335684012.

Adding to 20020300 its reverse (302002), we get a palindrome (20322302).

The spelling of 20020300 in words is "twenty million, twenty thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 41 50 76 82 95 100 164 190 205 257 380 410 475 514 779 820 950 1025 1028 1285 1558 1900 2050 2570 3116 3895 4100 4883 5140 6425 7790 9766 10537 12850 15580 19475 19532 21074 24415 25700 38950 42148 48830 52685 77900 97660 105370 122075 200203 210740 244150 263425 400406 488300 526850 800812 1001015 1053700 2002030 4004060 5005075 10010150 20020300