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20270058 = 233378343
BaseRepresentation
bin100110101010…
…0101111101010
31102010211021220
41031110233222
520142120213
62002242510
7334202244
oct115245752
942124256
1020270058
1110495216
126956436
134279323
142999094
151ba5e23
hex1354bea

20270058 has 8 divisors (see below), whose sum is σ = 40540128. Its totient is φ = 6756684.

The previous prime is 20270051. The next prime is 20270059. The reversal of 20270058 is 85007202.

It is a sphenic number, since it is the product of 3 distinct primes.

20270058 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20270051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689166 + ... + 1689177.

It is an arithmetic number, because the mean of its divisors is an integer number (5067516).

Almost surely, 220270058 is an apocalyptic number.

20270058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20270058 is a wasteful number, since it uses less digits than its factorization.

20270058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378348.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20270058 is about 4502.2281150559. The cubic root of 20270058 is about 272.6580538073.

The spelling of 20270058 in words is "twenty million, two hundred seventy thousand, fifty-eight".

Divisors: 1 2 3 6 3378343 6756686 10135029 20270058