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30220331032020 = 223561167161930539
BaseRepresentation
bin1101101111100001110000…
…00110001001110111010100
310222000000221211101212210110
412313300320012021313110
512430112214221011040
6144135010045523020
76236226655304103
oct667607006116724
9128000854355713
1030220331032020
1196a1409030558
123480a9b873470
1313b29c38aa78c
147669596c403a
153761780a7980
hex1b7c38189dd4

30220331032020 has 192 divisors, whose sum is σ = 86575358822400. Its totient is φ = 7874054730240.

The previous prime is 30220331032007. The next prime is 30220331032069. The reversal of 30220331032020 is 2023013302203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 989549911 + ... + 989580449.

It is an arithmetic number, because the mean of its divisors is an integer number (450913327200).

Almost surely, 230220331032020 is an apocalyptic number.

30220331032020 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 30220331032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43287679411200).

30220331032020 is an abundant number, since it is smaller than the sum of its proper divisors (56355027790380).

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

30220331032020 is a wasteful number, since it uses less digits than its factorization.

30220331032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32398 (or 32396 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30220331032020 its reverse (2023013302203), we get a palindrome (32243344334223).

The spelling of 30220331032020 in words is "thirty trillion, two hundred twenty billion, three hundred thirty-one million, thirty-two thousand, twenty".