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20300030100120 = 2335292241578861
BaseRepresentation
bin1001001110110011110000…
…00101010100001010011000
32122212122221000000210000010
410213121320011110022120
510130043430201200440
6111101412144241520
74163425445550561
oct447317005241230
978778830023003
1020300030100120
116517215852a71
12233a3470102a0
13b43391421064
14502753397168
152530b4edd580
hex127678154298

20300030100120 has 64 divisors (see below), whose sum is σ = 60900403897440. Its totient is φ = 5413313484800.

The previous prime is 20300030100109. The next prime is 20300030100241. The reversal of 20300030100120 is 2100103000302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20300030100096 and 20300030100105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34779490 + ... + 35358350.

Almost surely, 220300030100120 is an apocalyptic number.

20300030100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300030100120 is an abundant number, since it is smaller than the sum of its proper divisors (40600373797320).

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

20300030100120 is a wasteful number, since it uses less digits than its factorization.

20300030100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871116 (or 871112 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20300030100120 its reverse (2100103000302), we get a palindrome (22400133100422).

The spelling of 20300030100120 in words is "twenty trillion, three hundred billion, thirty million, one hundred thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 292241 578861 584482 876723 1157722 1168964 1461205 1736583 1753446 2315444 2337928 2894305 2922410 3473166 3506892 4383615 4630888 5788610 5844820 6946332 7013784 8682915 8767230 11577220 11689640 13892664 17365830 17534460 23154440 34731660 35068920 69463320 169166917501 338333835002 507500752503 676667670004 845834587505 1015001505006 1353335340008 1691669175010 2030003010012 2537503762515 3383338350020 4060006020024 5075007525030 6766676700040 10150015050060 20300030100120