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30202103320020 = 223353173190113001
BaseRepresentation
bin1101101110111111110011…
…01000111100110111010100
310221221021220111202011122000
412313133321220330313110
512424312401422220040
6144122353230435300
76235013163305442
oct667377150746724
9127837814664560
1030202103320020
119694704a58765
123479453362b30
1313b107a43c488
14765b0a93db92
1537595cc1e130
hex1b77f9a3cdd4

30202103320020 has 384 divisors, whose sum is σ = 98381095464960. Its totient is φ = 7682688000000.

The previous prime is 30202103320019. The next prime is 30202103320049. The reversal of 30202103320020 is 2002330120203.

It is a happy number.

30202103320020 is a `hidden beast` number, since 302 + 0 + 2 + 10 + 332 + 0 + 0 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 30202103319975 and 30202103320002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2323053520 + ... + 2323066520.

It is an arithmetic number, because the mean of its divisors is an integer number (256200769440).

Almost surely, 230202103320020 is an apocalyptic number.

30202103320020 is a gapful number since it is divisible by the number (30) 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 30202103320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49190547732480).

30202103320020 is an abundant number, since it is smaller than the sum of its proper divisors (68178992144940).

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

30202103320020 is a wasteful number, since it uses less digits than its factorization.

30202103320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024 (or 15016 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30202103320020 its reverse (2002330120203), we get a palindrome (32204433440223).

The spelling of 30202103320020 in words is "thirty trillion, two hundred two billion, one hundred three million, three hundred twenty thousand, twenty".