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20622004205450 = 2524346372068499
BaseRepresentation
bin1001011000001011011110…
…01111000011011110001010
32201000102222221010000102012
410230011233033003132022
510200332331034033300
6111505341250535522
74225614326362244
oct454055717033612
981012887100365
1020622004205450
11663081983989a
1223908235975a2
13b6785390644b
14514178a59094
1525b65b8b3435
hex12c16f3c378a

20622004205450 has 48 divisors (see below), whose sum is σ = 39257432676000. Its totient is φ = 8055227651520.

The previous prime is 20622004205449. The next prime is 20622004205471. The reversal of 20622004205450 is 5450240022602.

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 23 ways as a sum of consecutive naturals, for example, 8935301 + ... + 11003799.

It is an arithmetic number, because the mean of its divisors is an integer number (817863180750).

Almost surely, 220622004205450 is an apocalyptic number.

20622004205450 is a deficient number, since it is larger than the sum of its proper divisors (18635428470550).

20622004205450 is a wasteful number, since it uses less digits than its factorization.

20622004205450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073191 (or 2073186 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 20622004205450 in words is "twenty trillion, six hundred twenty-two billion, four million, two hundred five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 215 430 1075 2150 4637 9274 23185 46370 115925 199391 231850 398782 996955 1993910 2068499 4136998 4984775 9969550 10342495 20684990 51712475 88945457 103424950 177890914 444727285 889454570 2223636425 4447272850 9591629863 19183259726 47958149315 95916298630 239790746575 412440084109 479581493150 824880168218 2062200420545 4124400841090 10311002102725 20622004205450