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20001068 = 2229172423
BaseRepresentation
bin100110001001…
…1000100101100
31101122011022022
41030103010230
520110013233
61552405312
7332002103
oct114230454
941564268
1020001068
111032110a
126846838
1341b3a69
14292903a
151b51398
hex131312c

20001068 has 12 divisors (see below), whose sum is σ = 36209040. Its totient is φ = 9655632.

The previous prime is 20001067. The next prime is 20001073. The reversal of 20001068 is 86010002.

It is a super-2 number, since 2×200010682 = 800085442281248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20001067) 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, 86096 + ... + 86327.

It is an arithmetic number, because the mean of its divisors is an integer number (3017420).

Almost surely, 220001068 is an apocalyptic number.

It is an amenable number.

20001068 is a deficient number, since it is larger than the sum of its proper divisors (16207972).

20001068 is a wasteful number, since it uses less digits than its factorization.

20001068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172456 (or 172454 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20001068 is about 4472.2553594355. The cubic root of 20001068 is about 271.4465932368.

The spelling of 20001068 in words is "twenty million, one thousand, sixty-eight".

Divisors: 1 2 4 29 58 116 172423 344846 689692 5000267 10000534 20001068