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20803932 = 2233192629
BaseRepresentation
bin100111101011…
…1000101011100
31110010221122000
41033113011130
520311211212
62021522300
7341554602
oct117270534
943127560
1020803932
111081a336
126b73390
134405326
142a97872
151c5e1dc
hex13d715c

20803932 has 24 divisors (see below), whose sum is σ = 53936400. Its totient is φ = 6934608.

The previous prime is 20803921. The next prime is 20803943. The reversal of 20803932 is 23930802.

It is an interprime number because it is at equal distance from previous prime (20803921) and next prime (20803943).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20803896 and 20803905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96207 + ... + 96422.

It is an arithmetic number, because the mean of its divisors is an integer number (2247350).

Almost surely, 220803932 is an apocalyptic number.

It is an amenable number.

20803932 is an abundant number, since it is smaller than the sum of its proper divisors (33132468).

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

20803932 is a wasteful number, since it uses less digits than its factorization.

20803932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192642 (or 192634 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20803932 is about 4561.1327540426. The cubic root of 20803932 is about 275.0311017165.

The spelling of 20803932 in words is "twenty million, eight hundred three thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 192629 385258 577887 770516 1155774 1733661 2311548 3467322 5200983 6934644 10401966 20803932