Search a number
-
+
2212212020 = 225331334171
BaseRepresentation
bin1000001111011011…
…1010110100110100
312201011200000101112
42003312322310310
514012311241040
61003303214152
7105551330504
oct20366726464
95634600345
102212212020
11a358106a7
12518a47358
13293418cc5
1416db39a04
15ce330365
hex83dbad34

2212212020 has 24 divisors (see below), whose sum is σ = 4659694368. Its totient is φ = 882208800.

The previous prime is 2212212011. The next prime is 2212212029. The reversal of 2212212020 is 202122122.

It is an interprime number because it is at equal distance from previous prime (2212212011) and next prime (2212212029).

It is a junction number, because it is equal to n+sod(n) for n = 2212211986 and 2212212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212212029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160466 + ... + 173705.

It is an arithmetic number, because the mean of its divisors is an integer number (194153932).

Almost surely, 22212212020 is an apocalyptic number.

2212212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212212020 is an abundant number, since it is smaller than the sum of its proper divisors (2447482348).

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

2212212020 is a wasteful number, since it uses less digits than its factorization.

2212212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334511 (or 334509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2212212020 is about 47034.1580130866. The cubic root of 2212212020 is about 1302.9935000217.

Adding to 2212212020 its reverse (202122122), we get a palindrome (2414334142).

The spelling of 2212212020 in words is "two billion, two hundred twelve million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 334171 668342 1336684 1670855 3341710 6683420 110610601 221221202 442442404 553053005 1106106010 2212212020