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20120330304244 = 228951561957611
BaseRepresentation
bin1001001001100101000010…
…01000111111101011110100
32122020111002102011022101201
410210302201020333223310
510114122414024213434
6110443052510102244
74144434353520262
oct444624110775364
978214072138351
1020120330304244
116457a90a14675
12230b555aaa984
13b2c453a494b1
144d7b873c5432
1524d598d34614
hex124ca123faf4

20120330304244 has 12 divisors (see below), whose sum is σ = 35214511798368. Its totient is φ = 10059041219000.

The previous prime is 20120330304241. The next prime is 20120330304247. The reversal of 20120330304244 is 44240303302102.

It is an interprime number because it is at equal distance from previous prime (20120330304241) and next prime (20120330304247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120330304241) 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, 280943002 + ... + 281014609.

It is an arithmetic number, because the mean of its divisors is an integer number (2934542649864).

Almost surely, 220120330304244 is an apocalyptic number.

It is an amenable number.

20120330304244 is a deficient number, since it is larger than the sum of its proper divisors (15094181494124).

20120330304244 is a wasteful number, since it uses less digits than its factorization.

20120330304244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561966566 (or 561966564 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20120330304244 its reverse (44240303302102), we get a palindrome (64360633606346).

The spelling of 20120330304244 in words is "twenty trillion, one hundred twenty billion, three hundred thirty million, three hundred four thousand, two hundred forty-four".

Divisors: 1 2 4 8951 17902 35804 561957611 1123915222 2247830444 5030082576061 10060165152122 20120330304244