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20331023030100 = 22325279834497673
BaseRepresentation
bin1001001111101101011110…
…11001111101011101010100
32122222121220221200202020200
410213312233121331131110
510131100413343430400
6111123535410300500
74165603463243166
oct447665731753524
978877827622220
1020331023030100
11652937a520a92
122344356587730
13b46290419293
1450405362c936
15253ccad9db00
hex127daf67d754

20331023030100 has 432 divisors, whose sum is σ = 65464622496000. Its totient is φ = 5276018442240.

The previous prime is 20331023030069. The next prime is 20331023030117. The reversal of 20331023030100 is 103032013302.

20331023030100 is a `hidden beast` number, since 2 + 0 + 331 + 0 + 2 + 30 + 301 + 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 143 ways as a sum of consecutive naturals, for example, 2649679864 + ... + 2649687536.

It is an arithmetic number, because the mean of its divisors is an integer number (151538478000).

Almost surely, 220331023030100 is an apocalyptic number.

20331023030100 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 20331023030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32732311248000).

20331023030100 is an abundant number, since it is smaller than the sum of its proper divisors (45133599465900).

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

20331023030100 is a wasteful number, since it uses less digits than its factorization.

20331023030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20331023030100 its reverse (103032013302), we get a palindrome (20434055043402).

The spelling of 20331023030100 in words is "twenty trillion, three hundred thirty-one billion, twenty-three million, thirty thousand, one hundred".