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20020232011213 = 770119732067883
BaseRepresentation
bin1001000110101010100101…
…10100010011110111001101
32121212220201101120011110101
410203111102310103313031
510111002413343324323
6110325100112211101
74134262004206210
oct443252264236715
977786641504411
1020020232011213
116419595053565
1222b407b239a91
13b22b90a731c5
144d2dad299777
1524ab8b180dad
hex123552d13dcd

20020232011213 has 16 divisors (see below), whose sum is σ = 22924528937856. Its totient is φ = 17127025876800.

The previous prime is 20020232011189. The next prime is 20020232011249. The reversal of 20020232011213 is 31211023202002.

It is not a de Polignac number, because 20020232011213 - 225 = 20020198456781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020232011253) 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, 8647570 + ... + 10715452.

It is an arithmetic number, because the mean of its divisors is an integer number (1432783058616).

Almost surely, 220020232011213 is an apocalyptic number.

It is an amenable number.

20020232011213 is a deficient number, since it is larger than the sum of its proper divisors (2904296926643).

20020232011213 is a wasteful number, since it uses less digits than its factorization.

20020232011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070564.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20020232011213 its reverse (31211023202002), we get a palindrome (51231255213215).

The spelling of 20020232011213 in words is "twenty trillion, twenty billion, two hundred thirty-two million, eleven thousand, two hundred thirteen".

Divisors: 1 7 701 1973 4907 13811 1383073 2067883 9681511 14475181 1449585983 4079933159 10147101881 28559532113 2860033144459 20020232011213