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20102032 = 248091553
BaseRepresentation
bin100110010101…
…1101110010000
31101211021210201
41030223232100
520121231112
61554504544
7332602336
oct114535620
941737721
1020102032
111038aa55
126895154
13421a9c2
142953b56
151b71257
hex132bb90

20102032 has 20 divisors (see below), whose sum is σ = 39020940. Its totient is φ = 10032128.

The previous prime is 20102029. The next prime is 20102087. The reversal of 20102032 is 23020102.

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 10342656 = 3124^2 + 3216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12168 + ... + 13720.

It is an arithmetic number, because the mean of its divisors is an integer number (1951047).

Almost surely, 220102032 is an apocalyptic number.

It is an amenable number.

20102032 is a deficient number, since it is larger than the sum of its proper divisors (18918908).

20102032 is a wasteful number, since it uses less digits than its factorization.

20102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20102032 is about 4483.5289672311. The cubic root of 20102032 is about 271.9025746815.

Adding to 20102032 its reverse (23020102), we get a palindrome (43122134).

The spelling of 20102032 in words is "twenty million, one hundred two thousand, thirty-two".

Divisors: 1 2 4 8 16 809 1553 1618 3106 3236 6212 6472 12424 12944 24848 1256377 2512754 5025508 10051016 20102032