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20822022140 = 2257318317789
BaseRepresentation
bin10011011001000101…
…101101011111111100
31222202010022022122012
4103121011231133330
5320120414202030
613322052110352
71334663160623
oct233105553774
958663268565
1020822022140
118915541467
1240513053b8
131c6aa9b47a
1410175446ba
1581cee3095
hex4d916d7fc

20822022140 has 48 divisors (see below), whose sum is σ = 44355138240. Its totient is φ = 8209175040.

The previous prime is 20822022113. The next prime is 20822022167. The reversal of 20822022140 is 4122022802.

It is an interprime number because it is at equal distance from previous prime (20822022113) and next prime (20822022167).

It is a congruent number.

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, 2669366 + ... + 2677154.

It is an arithmetic number, because the mean of its divisors is an integer number (924065380).

Almost surely, 220822022140 is an apocalyptic number.

20822022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20822022140 is an abundant number, since it is smaller than the sum of its proper divisors (23533116100).

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

20822022140 is a wasteful number, since it uses less digits than its factorization.

20822022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702 (or 9700 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20822022140 its reverse (4122022802), we get a palindrome (24944044942).

The spelling of 20822022140 in words is "twenty billion, eight hundred twenty-two million, twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 1831 3662 7324 7789 9155 15578 18310 31156 36620 38945 77890 133663 155780 267326 534652 568597 668315 1137194 1336630 2274388 2673260 2842985 5685970 11371940 14261659 28523318 57046636 71308295 142616590 285233180 1041101107 2082202214 4164404428 5205505535 10411011070 20822022140