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2010121020020 = 225727990113963
BaseRepresentation
bin11101010000000100100…
…011001010001001110100
321010011110210022221100102
4131100010203022021310
5230413211440120040
64135234205333232
7265140446520041
oct35200443121164
97104423287312
102010121020020
1170553aa03a43
122856a9567218
13117727344b09
146d40cb161c8
153744b7e3515
hex1d4048ca274

2010121020020 has 48 divisors (see below), whose sum is σ = 4227790240128. Its totient is φ = 802803830400.

The previous prime is 2010121019993. The next prime is 2010121020113. The reversal of 2010121020020 is 200201210102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121019983 and 2010121020010.

It is a congruent number.

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, 143953559 + ... + 143967521.

It is an arithmetic number, because the mean of its divisors is an integer number (88078963336).

Almost surely, 22010121020020 is an apocalyptic number.

2010121020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010121020020 is an abundant number, since it is smaller than the sum of its proper divisors (2217669220108).

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

2010121020020 is a wasteful number, since it uses less digits than its factorization.

2010121020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24600 (or 24598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2010121020020 its reverse (200201210102), we get a palindrome (2210322230122).

The spelling of 2010121020020 in words is "two trillion, ten billion, one hundred twenty-one million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 727 1454 2908 3635 7270 9901 13963 14540 19802 27926 39604 49505 55852 69815 99010 139630 198020 279260 7198027 10151101 14396054 20302202 28792108 35990135 40604404 50755505 71980270 101511010 138247663 143960540 203022020 276495326 552990652 691238315 1382476630 2764953260 100506051001 201012102002 402024204004 502530255005 1005060510010 2010121020020