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20331022033020 = 223531591518771399
BaseRepresentation
bin1001001111101101011110…
…10110001010000001111100
32122222121220212211002111210
410213312233112022001330
510131100413120024040
6111123535333044420
74165603451621226
oct447665726120174
978877825732453
1020331022033020
1165293799aa956
122344356186710
13b4629015a4aa
1450405344d416
15253ccac53480
hex127daf58a07c

20331022033020 has 384 divisors, whose sum is σ = 60266594304000. Its totient is φ = 5114130048000.

The previous prime is 20331022032967. The next prime is 20331022033039. The reversal of 20331022033020 is 2033022013302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14532538281 + ... + 14532539679.

It is an arithmetic number, because the mean of its divisors is an integer number (156944256000).

Almost surely, 220331022033020 is an apocalyptic number.

20331022033020 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 20331022033020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30133297152000).

20331022033020 is an abundant number, since it is smaller than the sum of its proper divisors (39935572270980).

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

20331022033020 is a wasteful number, since it uses less digits than its factorization.

20331022033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2527 counting only the distinct ones).

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

Adding to 20331022033020 its reverse (2033022013302), we get a palindrome (22364044046322).

The spelling of 20331022033020 in words is "twenty trillion, three hundred thirty-one billion, twenty-two million, thirty-three thousand, twenty".