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20542110300 = 223452191271051
BaseRepresentation
bin10011001000011001…
…111011101001011100
31222000121121022210000
4103020121323221130
5314032240012200
613234212414300
71325024025255
oct231031735134
958017538700
1020542110300
118791538568
123b93617390
131c24ab4c6a
14dcc2bdb2c
15803651300
hex4c867ba5c

20542110300 has 360 divisors, whose sum is σ = 70713251840. Its totient is φ = 5143824000.

The previous prime is 20542110271. The next prime is 20542110341. The reversal of 20542110300 is 301124502.

20542110300 is a `hidden beast` number, since 20 + 542 + 1 + 103 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 19544775 + ... + 19545825.

Almost surely, 220542110300 is an apocalyptic number.

20542110300 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 20542110300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35356625920).

20542110300 is an abundant number, since it is smaller than the sum of its proper divisors (50171141540).

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

20542110300 is a wasteful number, since it uses less digits than its factorization.

20542110300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20542110300 its reverse (301124502), we get a palindrome (20843234802).

The spelling of 20542110300 in words is "twenty billion, five hundred forty-two million, one hundred ten thousand, three hundred".