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2020216 = 231122087
BaseRepresentation
bin111101101001101111000
310210122012211
413231031320
51004121331
6111144504
723112562
oct7551570
93718184
102020216
11115a900
12815134
135596c3
143a8332
1529d8b1
hex1ed378

2020216 has 24 divisors (see below), whose sum is σ = 4165560. Its totient is φ = 917840.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020216 is 6120202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2020196 and 2020205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (173565).

22020216 is an apocalyptic number.

It is an amenable number.

2020216 is an abundant number, since it is smaller than the sum of its proper divisors (2145344).

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

2020216 is a wasteful number, since it uses less digits than its factorization.

2020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020216 is about 1421.3430268588. The cubic root of 2020216 is about 126.4151920532.

Adding to 2020216 its reverse (6120202), we get a palindrome (8140418).

The spelling of 2020216 in words is "two million, twenty thousand, two hundred sixteen".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 2087 4174 8348 16696 22957 45914 91828 183656 252527 505054 1010108 2020216