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20120032 = 252327337
BaseRepresentation
bin100110011000…
…0000111100000
31101212012111101
41030300013200
520122320112
61555124144
7333005662
oct114600740
941765441
1020120032
11103a2529
1268a3654
134225c5a
14295a532
151b76757
hex13301e0

20120032 has 24 divisors (see below), whose sum is σ = 41335056. Its totient is φ = 9622272.

The previous prime is 20120029. The next prime is 20120047. The reversal of 20120032 is 23002102.

It is a congruent number.

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, 12933 + ... + 14404.

It is an arithmetic number, because the mean of its divisors is an integer number (1722294).

Almost surely, 220120032 is an apocalyptic number.

It is an amenable number.

20120032 is an abundant number, since it is smaller than the sum of its proper divisors (21215024).

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

20120032 is a wasteful number, since it uses less digits than its factorization.

20120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27370 (or 27362 counting only the distinct ones).

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

The square root of 20120032 is about 4485.5358654234. The cubic root of 20120032 is about 271.9837072132.

Adding to 20120032 its reverse (23002102), we get a palindrome (43122134).

The spelling of 20120032 in words is "twenty million, one hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 27337 54674 109348 218696 437392 628751 874784 1257502 2515004 5030008 10060016 20120032