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20203212222130 = 257733953661883
BaseRepresentation
bin1001001011111111011010…
…10010011010111010110010
32122112102000121002222112011
410211333231102122322302
510122002134312102010
6110545121053153134
74153430301301660
oct445775522327262
978472017088464
1020203212222130
11648a15266a273
122323626a8b7aa
13b37201c60862
144dbbaabc9c30
152507ea31ea8a
hex125fed49aeb2

20203212222130 has 32 divisors (see below), whose sum is σ = 42130221035904. Its totient is φ = 6831927732096.

The previous prime is 20203212222113. The next prime is 20203212222139. The reversal of 20203212222130 is 3122221230202.

It is not an unprimeable number, because it can be changed into a prime (20203212222139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976825832 + ... + 1976836051.

It is an arithmetic number, because the mean of its divisors is an integer number (1316569407372).

Almost surely, 220203212222130 is an apocalyptic number.

20203212222130 is an abundant number, since it is smaller than the sum of its proper divisors (21927008813774).

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

20203212222130 is a wasteful number, since it uses less digits than its factorization.

20203212222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953661970.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20203212222130 its reverse (3122221230202), we get a palindrome (23325433452332).

The spelling of 20203212222130 in words is "twenty trillion, two hundred three billion, two hundred twelve million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 73 146 365 511 730 1022 2555 5110 3953661883 7907323766 19768309415 27675633181 39536618830 55351266362 138378165905 276756331810 288617317459 577234634918 1443086587295 2020321222213 2886173174590 4040642444426 10101606111065 20203212222130