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2202020 = 225234787
BaseRepresentation
bin1000011001100110100100
311010212121022
420121212210
51030431040
6115110312
724500612
oct10314644
94125538
102202020
111274457
128a2398
135c1392
144146b2
152d76b5
hex2199a4

2202020 has 24 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 842336.

The previous prime is 2202019. The next prime is 2202029. The reversal of 2202020 is 202022.

Adding to 2202020 its reverse (202022), we get a palindrome (2404042).

2202020 is a modest number, since divided by 2020 gives 220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2201989 and 2202007.

It is not an unprimeable number, because it can be changed into a prime (2202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

22202020 is an apocalyptic number.

2202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202020 is an abundant number, since it is smaller than the sum of its proper divisors (2624284).

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

2202020 is a wasteful number, since it uses less digits than its factorization.

2202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819 (or 4817 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2202020 is about 1483.9204830448. The cubic root of 2202020 is about 130.0989384890.

The spelling of 2202020 in words is "two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 4787 9574 19148 23935 47870 95740 110101 220202 440404 550505 1101010 2202020