Search a number
-
+
200222020 = 22510011101
BaseRepresentation
bin10111110111100…
…10010101000100
3111221202022222101
423323302111010
5402224101040
631511241444
74650600445
oct1373622504
9457668871
10200222020
11a3024849
1257079284
133263438b
141c83d2cc
15128a009a
hexbef2544

200222020 has 12 divisors (see below), whose sum is σ = 420466284. Its totient is φ = 80088800.

The previous prime is 200221999. The next prime is 200222027. The reversal of 200222020 is 20222002.

It can be written as a sum of positive squares in 2 ways, for example, as 48636676 + 151585344 = 6974^2 + 12312^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200221988 and 200222006.

It is not an unprimeable number, because it can be changed into a prime (200222027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005531 + ... + 5005570.

It is an arithmetic number, because the mean of its divisors is an integer number (35038857).

Almost surely, 2200222020 is an apocalyptic number.

200222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200222020 is an abundant number, since it is smaller than the sum of its proper divisors (220244264).

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

200222020 is a wasteful number, since it uses less digits than its factorization.

200222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011110 (or 10011108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 200222020 is about 14149.9830388591. The cubic root of 200222020 is about 585.0198644240.

Adding to 200222020 its reverse (20222002), we get a palindrome (220444022).

The spelling of 200222020 in words is "two hundred million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 10011101 20022202 40044404 50055505 100111010 200222020