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20270552 = 2318113999
BaseRepresentation
bin100110101010…
…0110111011000
31102010211222012
41031110313120
520142124202
62002245052
7334203551
oct115246730
942124865
1020270552
1110495625
126956788
134279613
142999328
151ba6152
hex1354dd8

20270552 has 16 divisors (see below), whose sum is σ = 38220000. Its totient is φ = 10078560.

The previous prime is 20270533. The next prime is 20270557. The reversal of 20270552 is 25507202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (2388750).

Almost surely, 220270552 is an apocalyptic number.

It is an amenable number.

20270552 is a deficient number, since it is larger than the sum of its proper divisors (17949448).

20270552 is a wasteful number, since it uses less digits than its factorization.

20270552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14186 (or 14182 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 20270552 is about 4502.2829764465. The cubic root of 20270552 is about 272.6602687653.

Adding to 20270552 its reverse (25507202), we get a palindrome (45777754).

The spelling of 20270552 in words is "twenty million, two hundred seventy thousand, five hundred fifty-two".

Divisors: 1 2 4 8 181 362 724 1448 13999 27998 55996 111992 2533819 5067638 10135276 20270552