20163662 has 8 divisors (see below), whose sum is σ = 30585600. Its totient is φ = 9968464.

The previous prime is 20163643. The next prime is 20163697. The reversal of 20163662 is 26636102.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 56462 + ... + 56817.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^20163662 is an apocalyptic number.

20163662 is a deficient number, since it is larger than the sum of its proper divisors (10421938).

20163662 is a wasteful number, since it uses less digits than its factorization.

20163662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113370.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20163662 is about 4490.3966417233. The cubic root of 20163662 is about 272.1801628635.

Adding to 20163662 its reverse (26636102), we get a palindrome (46799764).

The spelling of 20163662 in words is "twenty million, one hundred sixty-three thousand, six hundred sixty-two".