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2110022020 = 225297151239
BaseRepresentation
bin111110111000100…
…0110000110000100
312110001101020001201
41331301012012010
513310131201040
6545213032244
7103200614461
oct17561060604
95401336051
102110022020
11993063857
124aa785684
132781b9752
14160338668
15c5396a9a
hex7dc46184

2110022020 has 48 divisors (see below), whose sum is σ = 4648492800. Its totient is φ = 803411840.

The previous prime is 2110022017. The next prime is 2110022021. The reversal of 2110022020 is 202200112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2110021988 and 2110022006.

It is not an unprimeable number, because it can be changed into a prime (2110022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15561 + ... + 66799.

It is an arithmetic number, because the mean of its divisors is an integer number (96843600).

Almost surely, 22110022020 is an apocalyptic number.

2110022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324246400).

2110022020 is an abundant number, since it is smaller than the sum of its proper divisors (2538470780).

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

2110022020 is a wasteful number, since it uses less digits than its factorization.

2110022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51348 (or 51346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2110022020 is about 45934.9759986875. The cubic root of 2110022020 is about 1282.6130741448.

Adding to 2110022020 its reverse (202200112), we get a palindrome (2312222132).

The spelling of 2110022020 in words is "two billion, one hundred ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 71 116 142 145 284 290 355 580 710 1420 2059 4118 8236 10295 20590 41180 51239 102478 204956 256195 512390 1024780 1485931 2971862 3637969 5943724 7275938 7429655 14551876 14859310 18189845 29718620 36379690 72759380 105501101 211002202 422004404 527505505 1055011010 2110022020