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20042052 = 2231670171
BaseRepresentation
bin100110001110…
…1000101000100
31101201020112020
41030131011010
520112321202
61553323140
7332232432
oct114350504
941636466
1020042052
1110349988
1268664b0
1341c9604
142939d52
151b5d5bc
hex131d144

20042052 has 12 divisors (see below), whose sum is σ = 46764816. Its totient is φ = 6680680.

The previous prime is 20042051. The next prime is 20042053. The reversal of 20042052 is 25024002.

It is an interprime number because it is at equal distance from previous prime (20042051) and next prime (20042053).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20042051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835074 + ... + 835097.

It is an arithmetic number, because the mean of its divisors is an integer number (3897068).

Almost surely, 220042052 is an apocalyptic number.

It is an amenable number.

20042052 is an abundant number, since it is smaller than the sum of its proper divisors (26722764).

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

20042052 is a wasteful number, since it uses less digits than its factorization.

20042052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670178 (or 1670176 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20042052 is about 4476.8350427506. The cubic root of 20042052 is about 271.6318729617.

Adding to 20042052 its reverse (25024002), we get a palindrome (45066054).

The spelling of 20042052 in words is "twenty million, forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 1670171 3340342 5010513 6680684 10021026 20042052