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20124032 = 27157219
BaseRepresentation
bin100110011000…
…1000110000000
31101212101222112
41030301012000
520122432112
61555154452
7333023435
oct114610600
941771875
1020124032
11103a5535
1268a5a28
134227a16
14295bb8c
151b77a22
hex1331180

20124032 has 16 divisors (see below), whose sum is σ = 40091100. Its totient is φ = 10061952.

The previous prime is 20124031. The next prime is 20124079. The reversal of 20124032 is 23042102.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 20123998 and 20124016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78482 + ... + 78737.

Almost surely, 220124032 is an apocalyptic number.

It is an amenable number.

20124032 is a deficient number, since it is larger than the sum of its proper divisors (19967068).

20124032 is an equidigital number, since it uses as much as digits as its factorization.

20124032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157233 (or 157221 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20124032 is about 4485.9817208723. The cubic root of 20124032 is about 272.0017300928.

Adding to 20124032 its reverse (23042102), we get a palindrome (43166134).

The spelling of 20124032 in words is "twenty million, one hundred twenty-four thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 157219 314438 628876 1257752 2515504 5031008 10062016 20124032