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20110210022020 = 2251005510501101
BaseRepresentation
bin1001001001010010001011…
…11011001011101010000100
32122012111222010001201002011
410210221011323023222010
510113441202231201040
6110434300345224004
74143625515530266
oct444510573135204
978174863051064
1020110210022020
116453768315868
1223095b0792004
13b2b500166811
144d74a72b1b36
1524d1a56173ea
hex124a45ecba84

20110210022020 has 12 divisors (see below), whose sum is σ = 42231441046284. Its totient is φ = 8044084008800.

The previous prime is 20110210021997. The next prime is 20110210022027. The reversal of 20110210022020 is 2022001201102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2038749911104 + 18071460110916 = 1427848^2 + 4251054^2 .

It is not an unprimeable number, because it can be changed into a prime (20110210022027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502755250531 + ... + 502755250570.

It is an arithmetic number, because the mean of its divisors is an integer number (3519286753857).

Almost surely, 220110210022020 is an apocalyptic number.

20110210022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110210022020 is an abundant number, since it is smaller than the sum of its proper divisors (22121231024264).

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

20110210022020 is a wasteful number, since it uses less digits than its factorization.

20110210022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005510501110 (or 1005510501108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110210022020 its reverse (2022001201102), we get a palindrome (22132211223122).

The spelling of 20110210022020 in words is "twenty trillion, one hundred ten billion, two hundred ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1005510501101 2011021002202 4022042004404 5027552505505 10055105011010 20110210022020