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20020130423112 = 2332856972919779
BaseRepresentation
bin1001000110101010011001…
…10000110010000101001000
32121212220110022101221210010
410203111030300302011020
510111002211342014422
6110325042042551520
74134256331551041
oct443251460620510
977786408357703
1020020130423112
116419542777956
1222b40512085a0
13b22b759c48c1
144d2d9d9b38c8
1524ab822b5b0c
hex12354cc32148

20020130423112 has 32 divisors (see below), whose sum is σ = 50050518386400. Its totient is φ = 6673351163904.

The previous prime is 20020130423099. The next prime is 20020130423131. The reversal of 20020130423112 is 21132403102002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396839 + ... + 8316617.

It is an arithmetic number, because the mean of its divisors is an integer number (1564078699575).

Almost surely, 220020130423112 is an apocalyptic number.

It is an amenable number.

20020130423112 is an abundant number, since it is smaller than the sum of its proper divisors (30030387963288).

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

20020130423112 is a wasteful number, since it uses less digits than its factorization.

20020130423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205485 (or 3205481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20020130423112 its reverse (21132403102002), we get a palindrome (41152533525114).

The spelling of 20020130423112 in words is "twenty trillion, twenty billion, one hundred thirty million, four hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 285697 571394 857091 1142788 1714182 2285576 2919779 3428364 5839558 6856728 8759337 11679116 17518674 23358232 35037348 70074696 834172100963 1668344201926 2502516302889 3336688403852 5005032605778 6673376807704 10010065211556 20020130423112