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20110211022020 = 2257229627267967
BaseRepresentation
bin1001001001010010001011…
…11110111111110011000100
32122012111222011221111211012
410210221011332333303010
510113441203010201040
6110434300422501352
74143625530163610
oct444510576776304
978174864844735
1020110211022020
116453768939109
1223095b0b94858
13b2b500426a32
144d74a7492340
1524d1a5763865
hex124a45fbfcc4

20110211022020 has 48 divisors (see below), whose sum is σ = 48475268567040. Its totient is φ = 6864820619904.

The previous prime is 20110211022001. The next prime is 20110211022059. The reversal of 20110211022020 is 2022011201102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20110211021986 and 20110211022004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313601924 + ... + 313666043.

It is an arithmetic number, because the mean of its divisors is an integer number (1009901428480).

Almost surely, 220110211022020 is an apocalyptic number.

20110211022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110211022020 is an abundant number, since it is smaller than the sum of its proper divisors (28365057545020).

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

20110211022020 is a wasteful number, since it uses less digits than its factorization.

20110211022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627268212 (or 627268210 counting only the distinct ones).

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

Adding to 20110211022020 its reverse (2022011201102), we get a palindrome (22132222223122).

The spelling of 20110211022020 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1603 2290 3206 4580 6412 8015 16030 32060 627267967 1254535934 2509071868 3136339835 4390875769 6272679670 8781751538 12545359340 17563503076 21954378845 43908757690 87817515380 143644364443 287288728886 574577457772 718221822215 1005510551101 1436443644430 2011021102202 2872887288860 4022042204404 5027552755505 10055105511010 20110211022020