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20052700 = 22521931039
BaseRepresentation
bin100110001111…
…1101011011100
31101201210010121
41030133223130
520113141300
61553444324
7332305453
oct114375334
941653117
1020052700
1110356988
1268706a4
134201405
14293db9a
151b6181a
hex131fadc

20052700 has 36 divisors (see below), whose sum is σ = 43781920. Its totient is φ = 7971840.

The previous prime is 20052689. The next prime is 20052701. The reversal of 20052700 is 725002.

It is a happy number.

It is a super-2 number, since 2×200527002 = 804221554580000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18781 + ... + 19819.

Almost surely, 220052700 is an apocalyptic number.

20052700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20052700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21890960).

20052700 is an abundant number, since it is smaller than the sum of its proper divisors (23729220).

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

20052700 is a wasteful number, since it uses less digits than its factorization.

20052700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 20052700 is about 4478.0241178448. The cubic root of 20052700 is about 271.6799689038.

Adding to 20052700 its reverse (725002), we get a palindrome (20777702).

It can be divided in two parts, 200 and 52700, that added together give a square (52900 = 2302).

The spelling of 20052700 in words is "twenty million, fifty-two thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 193 386 772 965 1039 1930 2078 3860 4156 4825 5195 9650 10390 19300 20780 25975 51950 103900 200527 401054 802108 1002635 2005270 4010540 5013175 10026350 20052700