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20220674 = 2193371579
BaseRepresentation
bin100110100100…
…0101100000010
31102001022112212
41031020230002
520134030144
62001222122
7333605255
oct115105402
942038485
1020220674
1110461101
126931942
13425c9c6
14298509c
151b9649e
hex1348b02

20220674 has 16 divisors (see below), whose sum is σ = 32042400. Its totient is φ = 9543744.

The previous prime is 20220661. The next prime is 20220677. The reversal of 20220674 is 47602202.

It is not an unprimeable number, because it can be changed into a prime (20220677) 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, 12017 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (2002650).

Almost surely, 220220674 is an apocalyptic number.

20220674 is a deficient number, since it is larger than the sum of its proper divisors (11821726).

20220674 is a wasteful number, since it uses less digits than its factorization.

20220674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20220674 is about 4496.7403749827. The cubic root of 20220674 is about 272.4364478792.

Adding to 20220674 its reverse (47602202), we get a palindrome (67822876).

The spelling of 20220674 in words is "twenty million, two hundred twenty thousand, six hundred seventy-four".

Divisors: 1 2 19 38 337 674 1579 3158 6403 12806 30001 60002 532123 1064246 10110337 20220674