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20322104140 = 22513261729867
BaseRepresentation
bin10010111011010010…
…101011001101001100
31221110021121212001201
4102323102223031030
5313104424313030
613200313115244
71316413015012
oct227322531514
957407555051
1020322104140
118689330698
123b319b8b24
131bbb3447c0
14daadb08b2
157de1942ca
hex4bb4ab34c

20322104140 has 48 divisors (see below), whose sum is σ = 45978321312. Its totient is φ = 7500427776.

The previous prime is 20322104107. The next prime is 20322104233. The reversal of 20322104140 is 4140122302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665487 + ... + 695353.

It is an arithmetic number, because the mean of its divisors is an integer number (957881694).

Almost surely, 220322104140 is an apocalyptic number.

20322104140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322104140 is an abundant number, since it is smaller than the sum of its proper divisors (25656217172).

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

20322104140 is a wasteful number, since it uses less digits than its factorization.

20322104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32506 (or 32504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20322104140 its reverse (4140122302), we get a palindrome (24462226442).

The spelling of 20322104140 in words is "twenty billion, three hundred twenty-two million, one hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2617 5234 10468 13085 26170 29867 34021 52340 59734 68042 119468 136084 149335 170105 298670 340210 388271 597340 680420 776542 1553084 1941355 3882710 7765420 78161939 156323878 312647756 390809695 781619390 1016105207 1563238780 2032210414 4064420828 5080526035 10161052070 20322104140