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20012052 = 2237572203
BaseRepresentation
bin100110001010…
…1110000010100
31101122201101010
41030111300110
520110341202
61552532220
7332046114
oct114256024
941581333
1020012052
1110329395
126851070
1341b8a68
14292d044
151b5476c
hex1315c14

20012052 has 24 divisors (see below), whose sum is σ = 46777696. Its totient is φ = 6658848.

The previous prime is 20012023. The next prime is 20012053. The reversal of 20012052 is 25021002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983 + ... + 10185.

Almost surely, 220012052 is an apocalyptic number.

It is an amenable number.

20012052 is an abundant number, since it is smaller than the sum of its proper divisors (26765644).

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

20012052 is a wasteful number, since it uses less digits than its factorization.

20012052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20012052 is about 4473.4832066299. The cubic root of 20012052 is about 271.4962743130.

Adding to 20012052 its reverse (25021002), we get a palindrome (45033054).

The spelling of 20012052 in words is "twenty million, twelve thousand, fifty-two".

Divisors: 1 2 3 4 6 12 757 1514 2203 2271 3028 4406 4542 6609 8812 9084 13218 26436 1667671 3335342 5003013 6670684 10006026 20012052