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20133132203220 = 2235441361760267
BaseRepresentation
bin1001001001111100111000…
…01100010111010011010100
32122021201010121012011100020
410210332130030113103110
510114330123321000340
6110453011103145140
74145366533050021
oct444763414272324
978251117164306
1020133132203220
116462460293873
122311b292a51b0
13b3071407a34a
144d863d704548
1524da97ba49d0
hex124f9c3174d4

20133132203220 has 48 divisors (see below), whose sum is σ = 56372972042688. Its totient is φ = 5368816028160.

The previous prime is 20133132203207. The next prime is 20133132203227. The reversal of 20133132203220 is 2230223133102.

It is a super-2 number, since 2×201331322032202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133132203227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26101527 + ... + 26861793.

It is an arithmetic number, because the mean of its divisors is an integer number (1174436917556).

Almost surely, 220133132203220 is an apocalyptic number.

20133132203220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133132203220 is an abundant number, since it is smaller than the sum of its proper divisors (36239839839468).

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

20133132203220 is a wasteful number, since it uses less digits than its factorization.

20133132203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201640 (or 1201638 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20133132203220 its reverse (2230223133102), we get a palindrome (22363355336322).

The spelling of 20133132203220 in words is "twenty trillion, one hundred thirty-three billion, one hundred thirty-two million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 441361 760267 882722 1324083 1520534 1765444 2206805 2280801 2648166 3041068 3801335 4413610 4561602 5296332 6620415 7602670 8827220 9123204 11404005 13240830 15205340 22808010 26481660 45616020 335552203387 671104406774 1006656610161 1342208813548 1677761016935 2013313220322 3355522033870 4026626440644 5033283050805 6711044067740 10066566101610 20133132203220