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2110212020 = 225715072943
BaseRepresentation
bin111110111000111…
…0100011110110100
312110001201212200202
41331301310132310
513310203241040
6545221100032
7103202335430
oct17561643664
95401655622
102110212020
11993183584
124aa857618
13278255087
141603879c0
15c53d3015
hex7dc747b4

2110212020 has 24 divisors (see below), whose sum is σ = 5064509184. Its totient is φ = 723501216.

The previous prime is 2110212019. The next prime is 2110212043. The reversal of 2110212020 is 202120112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2110211992 and 2110212010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536332 + ... + 7536611.

It is an arithmetic number, because the mean of its divisors is an integer number (211021216).

Almost surely, 22110212020 is an apocalyptic number.

2110212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110212020 is an abundant number, since it is smaller than the sum of its proper divisors (2954297164).

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

2110212020 is a wasteful number, since it uses less digits than its factorization.

2110212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072959 (or 15072957 counting only the distinct ones).

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

The square root of 2110212020 is about 45937.0440929758. The cubic root of 2110212020 is about 1282.6515712422.

Adding to 2110212020 its reverse (202120112), we get a palindrome (2312332132).

The spelling of 2110212020 in words is "two billion, one hundred ten million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15072943 30145886 60291772 75364715 105510601 150729430 211021202 301458860 422042404 527553005 1055106010 2110212020