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20000352 = 253208337
BaseRepresentation
bin100110001001…
…0111001100000
31101122010022210
41030102321200
520110002402
61552402120
7332000031
oct114227140
941563283
1020000352
1110320619
126846340
1341b3638
142928a88
151b5106c
hex1312e60

20000352 has 24 divisors (see below), whose sum is σ = 52501176. Its totient is φ = 6666752.

The previous prime is 20000339. The next prime is 20000353. The reversal of 20000352 is 25300002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000353) 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, 104073 + ... + 104264.

It is an arithmetic number, because the mean of its divisors is an integer number (2187549).

Almost surely, 220000352 is an apocalyptic number.

It is an amenable number.

20000352 is an abundant number, since it is smaller than the sum of its proper divisors (32500824).

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

20000352 is a wasteful number, since it uses less digits than its factorization.

20000352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208350 (or 208342 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 20000352 is about 4472.1753096228. The cubic root of 20000352 is about 271.4433541085.

Adding to 20000352 its reverse (25300002), we get a palindrome (45300354).

The spelling of 20000352 in words is "twenty million, three hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 208337 416674 625011 833348 1250022 1666696 2500044 3333392 5000088 6666784 10000176 20000352