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20024112 = 243417169
BaseRepresentation
bin100110001100…
…0101100110000
31101200022220210
41030120230300
520111232422
61553104120
7332126223
oct114305460
941608823
1020024112
1110337459
126858040
1341c13b4
1429335ba
151b5810c
hex1318b30

20024112 has 20 divisors (see below), whose sum is σ = 51729080. Its totient is φ = 6674688.

The previous prime is 20024083. The next prime is 20024117. The reversal of 20024112 is 21142002.

It is a super-2 number, since 2×200241122 = 801930122777088, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20024117) 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, 208537 + ... + 208632.

It is an arithmetic number, because the mean of its divisors is an integer number (2586454).

Almost surely, 220024112 is an apocalyptic number.

It is an amenable number.

20024112 is an abundant number, since it is smaller than the sum of its proper divisors (31704968).

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

20024112 is a wasteful number, since it uses less digits than its factorization.

20024112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417180 (or 417174 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20024112 is about 4474.8309465275. The cubic root of 20024112 is about 271.5508012478.

Adding to 20024112 its reverse (21142002), we get a palindrome (41166114).

The spelling of 20024112 in words is "twenty million, twenty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 417169 834338 1251507 1668676 2503014 3337352 5006028 6674704 10012056 20024112