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20300132200 = 2352101500661
BaseRepresentation
bin10010111001111110…
…110110111101101000
31221101202021120020011
4102321332312331220
5313033313212300
613154210141304
71316025163615
oct227176667550
957352246204
1020300132200
118677993867
123b26581834
131bb692095a
14da80d150c
157dc2a3eba
hex4b9fb6f68

20300132200 has 24 divisors (see below), whose sum is σ = 47197807830. Its totient is φ = 8120052800.

The previous prime is 20300132159. The next prime is 20300132213. The reversal of 20300132200 is 223100302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18970654756 + 1329477444 = 137734^2 + 36462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50750131 + ... + 50750530.

Almost surely, 220300132200 is an apocalyptic number.

20300132200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300132200 is an abundant number, since it is smaller than the sum of its proper divisors (26897675630).

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

20300132200 is a wasteful number, since it uses less digits than its factorization.

20300132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101500677 (or 101500668 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20300132200 its reverse (223100302), we get a palindrome (20523232502).

The spelling of 20300132200 in words is "twenty billion, three hundred million, one hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 101500661 203001322 406002644 507503305 812005288 1015006610 2030013220 2537516525 4060026440 5075033050 10150066100 20300132200