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13352012220420 = 22325580712773867
BaseRepresentation
bin1100001001001100000111…
…1100100000100000000100
31202021102212200121010010200
43002103001330200200010
53222224410112023140
644221455120050500
72545436211166446
oct302230174404004
952242780533120
1013352012220420
1142886138a3025
1215b7861a63a30
1375b1213bc4c3
14342352c14496
151824b31b4030
hexc24c1f20804

13352012220420 has 72 divisors (see below), whose sum is σ = 40508081437824. Its totient is φ = 3559923167808.

The previous prime is 13352012220329. The next prime is 13352012220433. The reversal of 13352012220420 is 2402221025331.

13352012220420 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 2 + 0 + 12 + 220 + 420 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5341674 + ... + 7432193.

It is an arithmetic number, because the mean of its divisors is an integer number (562612242192).

Almost surely, 213352012220420 is an apocalyptic number.

13352012220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13352012220420 is an abundant number, since it is smaller than the sum of its proper divisors (27156069217404).

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

13352012220420 is a wasteful number, since it uses less digits than its factorization.

13352012220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779689 (or 12779684 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13352012220420 its reverse (2402221025331), we get a palindrome (15754233245751).

The spelling of 13352012220420 in words is "thirteen trillion, three hundred fifty-two billion, twelve million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5807 11614 17421 23228 29035 34842 52263 58070 69684 87105 104526 116140 174210 209052 261315 348420 522630 1045260 12773867 25547734 38321601 51095468 63869335 76643202 114964803 127738670 153286404 191608005 229929606 255477340 383216010 459859212 574824015 766432020 1149648030 2299296060 74177845669 148355691338 222533537007 296711382676 370889228345 445067074014 667600611021 741778456690 890134148028 1112667685035 1335201222042 1483556913380 2225335370070 2670402444084 3338003055105 4450670740140 6676006110210 13352012220420