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20204058 = 2371728297
BaseRepresentation
bin100110100010…
…0101000011010
31102000110202110
41031010220122
520133012213
62001013150
7333505650
oct115045032
942013673
1020204058
111044a676
1269241b6
134255284
14297cdd0
151b915c3
hex1344a1a

20204058 has 32 divisors (see below), whose sum is σ = 48898944. Its totient is φ = 5432832.

The previous prime is 20204047. The next prime is 20204059. The reversal of 20204058 is 85040202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20204059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13435 + ... + 14862.

It is an arithmetic number, because the mean of its divisors is an integer number (1528092).

Almost surely, 220204058 is an apocalyptic number.

20204058 is an abundant number, since it is smaller than the sum of its proper divisors (28694886).

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

20204058 is a wasteful number, since it uses less digits than its factorization.

20204058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20204058 is about 4494.8924347530. The cubic root of 20204058 is about 272.3618040678.

The spelling of 20204058 in words is "twenty million, two hundred four thousand, fifty-eight".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 28297 56594 84891 169782 198079 396158 481049 594237 962098 1188474 1443147 2886294 3367343 6734686 10102029 20204058