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20020022201020 = 2254199192599591
BaseRepresentation
bin1001000110101010001100…
…10011111100101010111100
32121212220011202202200222111
410203111012103330222330
510111002001140413040
6110325023215223404
74134253545642532
oct443250623745274
977786152680874
1020020022201020
116419497680006
1222b4020b17b64
13b22b5946286a
144d2d8d482152
1524ab77a39dea
hex1235464fcabc

20020022201020 has 48 divisors (see below), whose sum is σ = 42188258649600. Its totient is φ = 7980200585280.

The previous prime is 20020022200999. The next prime is 20020022201021. The reversal of 20020022201020 is 2010222002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020022201021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6401425 + ... + 9001015.

It is an arithmetic number, because the mean of its divisors is an integer number (878922055200).

Almost surely, 220020022201020 is an apocalyptic number.

20020022201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020022201020 is an abundant number, since it is smaller than the sum of its proper divisors (22168236448580).

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

20020022201020 is a wasteful number, since it uses less digits than its factorization.

20020022201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600938 (or 2600936 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020022201020 its reverse (2010222002002), we get a palindrome (22030244203022).

The spelling of 20020022201020 in words is "twenty trillion, twenty billion, twenty-two million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 419 838 919 1676 1838 2095 3676 4190 4595 8380 9190 18380 385061 770122 1540244 1925305 2599591 3850610 5199182 7701220 10398364 12997955 25995910 51991820 1089228629 2178457258 2389024129 4356914516 4778048258 5446143145 9556096516 10892286290 11945120645 21784572580 23890241290 47780482580 1001001110051 2002002220102 4004004440204 5005005550255 10010011100510 20020022201020