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122020331340 = 22352033672189
BaseRepresentation
bin111000110100011111…
…0100111111101001100
3102122221210210002002010
41301220332213331030
53444344201100330
6132015543101220
711546530463145
oct1615076477514
9378853702063
10122020331340
1147826328a46
121b794441810
13b67792c8bb
145c977b4acc
1532925323b0
hex1c68fa7f4c

122020331340 has 24 divisors (see below), whose sum is σ = 341656927920. Its totient is φ = 32538755008.

The previous prime is 122020331327. The next prime is 122020331347. The reversal of 122020331340 is 43133020221.

It is a super-2 number, since 2×1220203313402 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122020331347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016836035 + ... + 1016836154.

It is an arithmetic number, because the mean of its divisors is an integer number (14235705330).

Almost surely, 2122020331340 is an apocalyptic number.

122020331340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020331340 is an abundant number, since it is smaller than the sum of its proper divisors (219636596580).

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

122020331340 is a wasteful number, since it uses less digits than its factorization.

122020331340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033672201 (or 2033672199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122020331340 its reverse (43133020221), we get a palindrome (165153351561).

The spelling of 122020331340 in words is "one hundred twenty-two billion, twenty million, three hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2033672189 4067344378 6101016567 8134688756 10168360945 12202033134 20336721890 24404066268 30505082835 40673443780 61010165670 122020331340