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2133223220020 = 225293677971069
BaseRepresentation
bin11111000010101110000…
…000110010001100110100
321112221012222211122020011
4133002232000302030310
5234422320121020040
64311553400550004
7310056155122234
oct37025600621464
97487188748204
102133223220020
11752770992912
122a5524182304
13126215147689
147536a069cc4
153a753cc93ea
hex1f0ae032334

2133223220020 has 24 divisors (see below), whose sum is σ = 4634243548200. Its totient is φ = 823865519232.

The previous prime is 2133223219997. The next prime is 2133223220143. The reversal of 2133223220020 is 200223223312.

It can be written as a sum of positive squares in 4 ways, for example, as 376654693284 + 1756568526736 = 613722^2 + 1325356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2133223219973 and 2133223220000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838984955 + ... + 1838986114.

It is an arithmetic number, because the mean of its divisors is an integer number (193093481175).

Almost surely, 22133223220020 is an apocalyptic number.

2133223220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133223220020 is an abundant number, since it is smaller than the sum of its proper divisors (2501020328180).

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

2133223220020 is a wasteful number, since it uses less digits than its factorization.

2133223220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677971107 (or 3677971105 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2133223220020 its reverse (200223223312), we get a palindrome (2333446443332).

The spelling of 2133223220020 in words is "two trillion, one hundred thirty-three billion, two hundred twenty-three million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 3677971069 7355942138 14711884276 18389855345 36779710690 73559421380 106661161001 213322322002 426644644004 533305805005 1066611610010 2133223220020