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20014132 = 2225719469
BaseRepresentation
bin100110001011…
…0010000110100
31101122211020011
41030112100310
520110423012
61552550004
7332055145
oct114262064
941584204
1020014132
111032aa06
126852304
1341b99a8
14292dacc
151b551a7
hex1316434

20014132 has 12 divisors (see below), whose sum is σ = 35162820. Its totient is φ = 9967616.

The previous prime is 20014079. The next prime is 20014133. The reversal of 20014132 is 23141002.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 4990756 = 3876^2 + 2234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014133) 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, 8707 + ... + 10762.

It is an arithmetic number, because the mean of its divisors is an integer number (2930235).

Almost surely, 220014132 is an apocalyptic number.

It is an amenable number.

20014132 is a deficient number, since it is larger than the sum of its proper divisors (15148688).

20014132 is a wasteful number, since it uses less digits than its factorization.

20014132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730 (or 19728 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20014132 is about 4473.7156816231. The cubic root of 20014132 is about 271.5056801898.

Adding to 20014132 its reverse (23141002), we get a palindrome (43155134).

The spelling of 20014132 in words is "twenty million, fourteen thousand, one hundred thirty-two".

Divisors: 1 2 4 257 514 1028 19469 38938 77876 5003533 10007066 20014132