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20302330300400 = 2452400371267723
BaseRepresentation
bin1001001110111000000010…
…01011111000011111110000
32122212212212022021001121002
410213130001023320133300
510130113133024103100
6111102432313421132
74163536446125051
oct447340113703760
978785768231532
1020302330300400
1165181961a0535
12233a88940a7a8
13b43669b36405
145028d0a78728
1525319bdee2d5
hex1277012f87f0

20302330300400 has 60 divisors (see below), whose sum is σ = 48777605305032. Its totient is φ = 8120722878720.

The previous prime is 20302330300379. The next prime is 20302330300517. The reversal of 20302330300400 is 400303320302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15380939 + ... + 16648661.

Almost surely, 220302330300400 is an apocalyptic number.

20302330300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302330300400 is an abundant number, since it is smaller than the sum of its proper divisors (28475275004632).

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

20302330300400 is a wasteful number, since it uses less digits than its factorization.

20302330300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307778 (or 1307767 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20302330300400 its reverse (400303320302), we get a palindrome (20702633620702).

The spelling of 20302330300400 in words is "twenty trillion, three hundred two billion, three hundred thirty million, three hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 40037 80074 160148 200185 320296 400370 640592 800740 1000925 1267723 1601480 2001850 2535446 3202960 4003700 5070892 6338615 8007400 10141784 12677230 16014800 20283568 25354460 31693075 50708920 63386150 101417840 126772300 253544600 507089200 50755825751 101511651502 203023303004 253779128755 406046606008 507558257510 812093212016 1015116515020 1268895643775 2030233030040 2537791287550 4060466060080 5075582575100 10151165150200 20302330300400