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20332103200 = 255225415129
BaseRepresentation
bin10010111011111000…
…110100011000100000
31221110222102212012021
4102323320310120200
5313120004300300
613201311311224
71316564011543
oct227370643040
957428385167
1020332103200
118693a40082
123b3521b514
131bc0435ac6
14dac45485a
157deebbd1a
hex4bbe34620

20332103200 has 36 divisors (see below), whose sum is σ = 49635748890. Its totient is φ = 8132840960.

The previous prime is 20332103191. The next prime is 20332103249. The reversal of 20332103200 is 230123302.

It can be written as a sum of positive squares in 3 ways, for example, as 19386663696 + 945439504 = 139236^2 + 30748^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 12706765 + ... + 12708364.

Almost surely, 220332103200 is an apocalyptic number.

20332103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332103200 is an abundant number, since it is smaller than the sum of its proper divisors (29303645690).

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

20332103200 is a wasteful number, since it uses less digits than its factorization.

20332103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415149 (or 25415136 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20332103200 its reverse (230123302), we get a palindrome (20562226502).

The spelling of 20332103200 in words is "twenty billion, three hundred thirty-two million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 25415129 50830258 101660516 127075645 203321032 254151290 406642064 508302580 635378225 813284128 1016605160 1270756450 2033210320 2541512900 4066420640 5083025800 10166051600 20332103200