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20676932 = 2237139709
BaseRepresentation
bin100111011100…
…0000101000100
31102220111102022
41032320011010
520243130212
62015102312
7340515413
oct116700504
942814368
1020676932
1110742981
126b11998
13438c593
142a6347a
151c36772
hex13b8144

20676932 has 12 divisors (see below), whose sum is σ = 37162860. Its totient is φ = 10058976.

The previous prime is 20676919. The next prime is 20676961. The reversal of 20676932 is 23967602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18783556 + 1893376 = 4334^2 + 1376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20676892 and 20676901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69707 + ... + 70002.

It is an arithmetic number, because the mean of its divisors is an integer number (3096905).

Almost surely, 220676932 is an apocalyptic number.

It is an amenable number.

20676932 is a deficient number, since it is larger than the sum of its proper divisors (16485928).

20676932 is a wasteful number, since it uses less digits than its factorization.

20676932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139750 (or 139748 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 20676932 is about 4547.1894616345. The cubic root of 20676932 is about 274.4703059995.

The spelling of 20676932 in words is "twenty million, six hundred seventy-six thousand, nine hundred thirty-two".

Divisors: 1 2 4 37 74 148 139709 279418 558836 5169233 10338466 20676932