20536046 has 4 divisors (see below), whose sum is σ = 30804072. Its totient is φ = 10268022.

The previous prime is 20536013. The next prime is 20536057. The reversal of 20536046 is 64063502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5134010 + ... + 5134013.

It is an arithmetic number, because the mean of its divisors is an integer number (7701018).

Almost surely, 2^20536046 is an apocalyptic number.

20536046 is a deficient number, since it is larger than the sum of its proper divisors (10268026).

20536046 is a wasteful number, since it uses less digits than its factorization.

20536046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268025.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20536046 is about 4531.6714355743. The cubic root of 20536046 is about 273.8455004816.

Adding to 20536046 its reverse (64063502), we get a palindrome (84599548).

The spelling of 20536046 in words is "twenty million, five hundred thirty-six thousand, forty-six".