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20770052 = 2247110479
BaseRepresentation
bin100111100111…
…0110100000100
31110002020011012
41033032310010
520304120202
62021101352
7341354042
oct117166404
943066135
1020770052
11107a6936
126b57858
1343c2a94
142a89392
151c54152
hex13ced04

20770052 has 12 divisors (see below), whose sum is σ = 37121280. Its totient is φ = 10163976.

The previous prime is 20770049. The next prime is 20770109. The reversal of 20770052 is 25007702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55052 + ... + 55427.

It is an arithmetic number, because the mean of its divisors is an integer number (3093440).

Almost surely, 220770052 is an apocalyptic number.

It is an amenable number.

20770052 is a deficient number, since it is larger than the sum of its proper divisors (16351228).

20770052 is a wasteful number, since it uses less digits than its factorization.

20770052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110530 (or 110528 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20770052 is about 4557.4172510316. The cubic root of 20770052 is about 274.8817210357.

Adding to 20770052 its reverse (25007702), we get a palindrome (45777754).

The spelling of 20770052 in words is "twenty million, seven hundred seventy thousand, fifty-two".

Divisors: 1 2 4 47 94 188 110479 220958 441916 5192513 10385026 20770052