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12302320020 = 2235383535349
BaseRepresentation
bin10110111010100011…
…01000000110010100
31011202100222121110020
423131101220012110
5200143343220040
65352425225140
7613601665134
oct133521500624
934670877406
1012302320020
115243380131
1224740321b0
131210995603
14849c36ac4
154c008bcd0
hex2dd468194

12302320020 has 48 divisors (see below), whose sum is σ = 34536499200. Its totient is φ = 3272046976.

The previous prime is 12302320007. The next prime is 12302320033. The reversal of 12302320020 is 2002320321.

It is an interprime number because it is at equal distance from previous prime (12302320007) and next prime (12302320033).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244695 + ... + 290654.

It is an arithmetic number, because the mean of its divisors is an integer number (719510400).

Almost surely, 212302320020 is an apocalyptic number.

12302320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302320020 is an abundant number, since it is smaller than the sum of its proper divisors (22234179180).

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

12302320020 is a wasteful number, since it uses less digits than its factorization.

12302320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535744 (or 535742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12302320020 its reverse (2002320321), we get a palindrome (14304640341).

The spelling of 12302320020 in words is "twelve billion, three hundred two million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 383 766 1149 1532 1915 2298 3830 4596 5745 7660 11490 22980 535349 1070698 1606047 2141396 2676745 3212094 5353490 6424188 8030235 10706980 16060470 32120940 205038667 410077334 615116001 820154668 1025193335 1230232002 2050386670 2460464004 3075580005 4100773340 6151160010 12302320020