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20245662 = 2321124759
BaseRepresentation
bin100110100111…
…0110010011110
31102002120211100
41031032302132
520140330122
62001533530
7334041153
oct115166236
942076740
1020245662
1110478958
1269442a6
13426b1a8
14299022a
151b9daac
hex134ec9e

20245662 has 12 divisors (see below), whose sum is σ = 43865640. Its totient is φ = 6748548.

The previous prime is 20245651. The next prime is 20245669. The reversal of 20245662 is 26654202.

20245662 is a `hidden beast` number, since 202 + 456 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562362 + ... + 562397.

It is an arithmetic number, because the mean of its divisors is an integer number (3655470).

Almost surely, 220245662 is an apocalyptic number.

20245662 is an abundant number, since it is smaller than the sum of its proper divisors (23619978).

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

20245662 is a wasteful number, since it uses less digits than its factorization.

20245662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124767 (or 1124764 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20245662 is about 4499.5179741835. The cubic root of 20245662 is about 272.5486241543.

Adding to 20245662 its reverse (26654202), we get a palindrome (46899864).

The spelling of 20245662 in words is "twenty million, two hundred forty-five thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 1124759 2249518 3374277 6748554 10122831 20245662