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12022202020 = 225814773783
BaseRepresentation
bin10110011001001010…
…00011111010100100
31011000211220010210111
423030211003322210
5144110140431040
65304541302404
7603631013443
oct131445037244
934024803714
1012022202020
11510a246354
1223b6264a04
13119793930a
1482095ad5a
154a56a8dea
hex2cc943ea4

12022202020 has 24 divisors (see below), whose sum is σ = 25250065344. Its totient is φ = 4808225376.

The previous prime is 12022202009. The next prime is 12022202021. The reversal of 12022202020 is 2020222021.

It is not an unprimeable number, because it can be changed into a prime (12022202021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126049 + ... + 199831.

It is an arithmetic number, because the mean of its divisors is an integer number (1052086056).

Almost surely, 212022202020 is an apocalyptic number.

12022202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022202020 is an abundant number, since it is smaller than the sum of its proper divisors (13227863324).

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

12022202020 is a wasteful number, since it uses less digits than its factorization.

12022202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81939 (or 81937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12022202020 its reverse (2020222021), we get a palindrome (14042424041).

The spelling of 12022202020 in words is "twelve billion, twenty-two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 8147 16294 32588 40735 73783 81470 147566 162940 295132 368915 737830 1475660 601110101 1202220202 2404440404 3005550505 6011101010 12022202020