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20796076 = 227742717
BaseRepresentation
bin100111101010…
…1001010101100
31110010112212001
41033111022230
520310433301
62021422044
7341522650
oct117251254
943115761
1020796076
1110814444
126b6a924
134401892
142a94a60
151c5bc01
hex13d52ac

20796076 has 12 divisors (see below), whose sum is σ = 41592208. Its totient is φ = 8912592.

The previous prime is 20796073. The next prime is 20796077. The reversal of 20796076 is 67069702.

20796076 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20796073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371331 + ... + 371386.

Almost surely, 220796076 is an apocalyptic number.

It is an amenable number.

20796076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20796076 is a wasteful number, since it uses less digits than its factorization.

20796076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742728 (or 742726 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 20796076 is about 4560.2714831466. The cubic root of 20796076 is about 274.9964781918.

The spelling of 20796076 in words is "twenty million, seven hundred ninety-six thousand, seventy-six".

Divisors: 1 2 4 7 14 28 742717 1485434 2970868 5199019 10398038 20796076