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12020024 = 231502503
BaseRepresentation
bin101101110110…
…100100111000
3211121200101002
4231312210320
511034120044
61105344132
7204111542
oct55664470
924550332
1012020024
11686a905
124038048
13264b153
14184c692
1510c674e
hexb76938

12020024 has 8 divisors (see below), whose sum is σ = 22537560. Its totient is φ = 6010008.

The previous prime is 12019993. The next prime is 12020051. The reversal of 12020024 is 42002021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12019987 and 12020014.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 751244 + ... + 751259.

It is an arithmetic number, because the mean of its divisors is an integer number (2817195).

Almost surely, 212020024 is an apocalyptic number.

It is an amenable number.

12020024 is a deficient number, since it is larger than the sum of its proper divisors (10517536).

12020024 is a wasteful number, since it uses less digits than its factorization.

12020024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502509 (or 1502505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12020024 is about 3466.9906258887. The cubic root of 12020024 is about 229.0701208452.

Adding to 12020024 its reverse (42002021), we get a palindrome (54022045).

The spelling of 12020024 in words is "twelve million, twenty thousand, twenty-four".

Divisors: 1 2 4 8 1502503 3005006 6010012 12020024