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10321222212020 = 2252277451305113
BaseRepresentation
bin1001011000110001100011…
…0010001001100110110100
31100112200212201111100112002
42112030120302021212310
52323100330341241040
633541300511514432
72113453336163126
oct226143062114664
940480781440462
1010321222212020
11331a229957315
1211a83a4528a18
1359b396932425
1427979a9c9216
1512d72a7e4a15
hex96318c899b4

10321222212020 has 48 divisors (see below), whose sum is σ = 21773042440128. Its totient is φ = 4109736595200.

The previous prime is 10321222212019. The next prime is 10321222212073. The reversal of 10321222212020 is 2021222212301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10321222211983 and 10321222212001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33674984 + ... + 33980096.

It is an arithmetic number, because the mean of its divisors is an integer number (453605050836).

Almost surely, 210321222212020 is an apocalyptic number.

10321222212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321222212020 is an abundant number, since it is smaller than the sum of its proper divisors (11451820228108).

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

10321222212020 is a wasteful number, since it uses less digits than its factorization.

10321222212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312800 (or 312798 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10321222212020 its reverse (2021222212301), we get a palindrome (12342444424321).

The spelling of 10321222212020 in words is "ten trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 7451 14902 29804 37255 74510 149020 305113 610226 1220452 1525565 1691377 3051130 3382754 6102260 6765508 8456885 16913770 33827540 69260651 138521302 277042604 346303255 692606510 1385213020 2273396963 4546793926 9093587852 11366984815 22733969630 45467939260 516061110601 1032122221202 2064244442404 2580305553005 5160611106010 10321222212020