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200010020 = 225711171279
BaseRepresentation
bin10111110101111…
…10100100100100
3111221100120011112
423322332210210
5402200310040
631502524152
74646025410
oct1372764444
9457316145
10200010020
11a299a541
1256b96658
133258ba32
141c7c5d40
151285c365
hexbebe924

200010020 has 48 divisors (see below), whose sum is σ = 480829440. Its totient is φ = 68459904.

The previous prime is 200010011. The next prime is 200010037. The reversal of 200010020 is 20010002.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 200009986 and 200010013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155741 + ... + 157019.

It is an arithmetic number, because the mean of its divisors is an integer number (10017280).

Almost surely, 2200010020 is an apocalyptic number.

200010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200010020 is an abundant number, since it is smaller than the sum of its proper divisors (280819420).

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

200010020 is a wasteful number, since it uses less digits than its factorization.

200010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 200010020 is about 14142.4898797913. The cubic root of 200010020 is about 584.8133136987.

Adding to 200010020 its reverse (20010002), we get a palindrome (220020022).

The spelling of 200010020 in words is "two hundred million, ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1117 1279 2234 2558 4468 5116 5585 6395 7819 8953 11170 12790 15638 17906 22340 25580 31276 35812 39095 44765 78190 89530 156380 179060 1428643 2857286 5714572 7143215 10000501 14286430 20001002 28572860 40002004 50002505 100005010 200010020