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20331301030100 = 22521089911865411
BaseRepresentation
bin1001001111101101111111…
…11110011100100011010100
32122222122122022210121112222
410213312333332130203110
510131102001030430400
6111124023141001512
74165613410223624
oct447667776344324
978878568717488
1020331301030100
116529502439555
1223444136b3298
13b46305bb3518
1450407c516884
15253ce54b4185
hex127dbff9c8d4

20331301030100 has 36 divisors (see below), whose sum is σ = 44119351680768. Its totient is φ = 8132441436000.

The previous prime is 20331301030097. The next prime is 20331301030153. The reversal of 20331301030100 is 103010313302.

It is a super-2 number, since 2×203313010301002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9966395 + ... + 11831805.

It is an arithmetic number, because the mean of its divisors is an integer number (1225537546688).

Almost surely, 220331301030100 is an apocalyptic number.

20331301030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331301030100 is an abundant number, since it is smaller than the sum of its proper divisors (23788050650668).

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

20331301030100 is a wasteful number, since it uses less digits than its factorization.

20331301030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974416 (or 1974409 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20331301030100 its reverse (103010313302), we get a palindrome (20434311343402).

The spelling of 20331301030100 in words is "twenty trillion, three hundred thirty-one billion, three hundred one million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 108991 217982 435964 544955 1089910 1865411 2179820 2724775 3730822 5449550 7461644 9327055 10899100 18654110 37308220 46635275 93270550 186541100 203313010301 406626020602 813252041204 1016565051505 2033130103010 4066260206020 5082825257525 10165650515050 20331301030100