20663062 has 16 divisors (see below), whose sum is σ = 36963072. Its totient is φ = 8470440.

The previous prime is 20663053. The next prime is 20663087. The reversal of 20663062 is 26036602.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31764 + ... + 32407.

It is an arithmetic number, because the mean of its divisors is an integer number (2310192).

Almost surely, 2^20663062 is an apocalyptic number.

20663062 is a deficient number, since it is larger than the sum of its proper divisors (16300010).

20663062 is a wasteful number, since it uses less digits than its factorization.

20663062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64203.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 20663062 is about 4545.6640878974. The cubic root of 20663062 is about 274.4089210919.

Adding to 20663062 its reverse (26036602), we get a palindrome (46699664).

The spelling of 20663062 in words is "twenty million, six hundred sixty-three thousand, sixty-two".