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20020011220211 = 281110576443483
BaseRepresentation
bin1001000110101010001011…
…01010000011110011110011
32121212220011000002211010212
410203111011222003303303
510111001440333021321
6110325022144014335
74134253353416522
oct443250552036363
977786130084125
1020020011220211
11641949145aa62
1222b40193013ab
13b22b570b9742
144d2d8bc244b9
1524ab76abb55b
hex123545a83cf3

20020011220211 has 8 divisors (see below), whose sum is σ = 20093076992304. Its totient is φ = 19946958357760.

The previous prime is 20020011220199. The next prime is 20020011220249. The reversal of 20020011220211 is 11202211002002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20020011220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020011220271) 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, 114725 + ... + 6328758.

It is an arithmetic number, because the mean of its divisors is an integer number (2511634624038).

Almost surely, 220020011220211 is an apocalyptic number.

20020011220211 is a deficient number, since it is larger than the sum of its proper divisors (73065772093).

20020011220211 is a wasteful number, since it uses less digits than its factorization.

20020011220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454821.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020011220211 its reverse (11202211002002), we get a palindrome (31222222222213).

The spelling of 20020011220211 in words is "twenty trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 281 11057 3107017 6443483 1810618723 71245591531 20020011220211