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20244210 = 235796401
BaseRepresentation
bin100110100111…
…0011011110010
31102002111211120
41031032123302
520140303320
62001523110
7334034010
oct115163362
942074746
1020244210
1110477858
126943496
13426a62c
14298d8b0
151b9d440
hex134e6f2

20244210 has 32 divisors (see below), whose sum is σ = 55527552. Its totient is φ = 4627200.

The previous prime is 20244199. The next prime is 20244239. The reversal of 20244210 is 1244202.

20244210 is nontrivially palindromic in base 12.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20244210.

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, 47991 + ... + 48410.

It is an arithmetic number, because the mean of its divisors is an integer number (1735236).

Almost surely, 220244210 is an apocalyptic number.

20244210 is an abundant number, since it is smaller than the sum of its proper divisors (35283342).

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

20244210 is a wasteful number, since it uses less digits than its factorization.

20244210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96418.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20244210 is about 4499.3566206737. The cubic root of 20244210 is about 272.5421083541.

Adding to 20244210 its reverse (1244202), we get a palindrome (21488412).

The spelling of 20244210 in words is "twenty million, two hundred forty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 96401 192802 289203 482005 578406 674807 964010 1349614 1446015 2024421 2892030 3374035 4048842 6748070 10122105 20244210