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20210044 = 22139163223
BaseRepresentation
bin100110100011…
…0000101111100
31102000202222011
41031012011330
520133210134
62001101004
7333532261
oct115060574
942022864
1020210044
1110454118
126927764
134257c0a
142981268
151b93264
hex134617c

20210044 has 24 divisors (see below), whose sum is σ = 36001280. Its totient is φ = 9926064.

The previous prime is 20210039. The next prime is 20210063. The reversal of 20210044 is 44001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90517 + ... + 90739.

Almost surely, 220210044 is an apocalyptic number.

It is an amenable number.

20210044 is a deficient number, since it is larger than the sum of its proper divisors (15791236).

20210044 is a wasteful number, since it uses less digits than its factorization.

20210044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20210044 is about 4495.5582523197. The cubic root of 20210044 is about 272.3886996016.

Adding to 20210044 its reverse (44001202), we get a palindrome (64211246).

The spelling of 20210044 in words is "twenty million, two hundred ten thousand, forty-four".

Divisors: 1 2 4 139 163 223 278 326 446 556 652 892 22657 30997 36349 45314 61994 72698 90628 123988 145396 5052511 10105022 20210044