20060638 has 12 divisors (see below), whose sum is σ = 32584248. Its totient is φ = 9258600.

The previous prime is 20060633. The next prime is 20060641. The reversal of 20060638 is 83606002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060633) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 29338 + ... + 30013.

It is an arithmetic number, because the mean of its divisors is an integer number (2715354).

Almost surely, 2^20060638 is an apocalyptic number.

20060638 is a deficient number, since it is larger than the sum of its proper divisors (12523610).

20060638 is a wasteful number, since it uses less digits than its factorization.

20060638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59379 (or 59366 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20060638 is about 4478.9103585582. The cubic root of 20060638 is about 271.7158129728.

The spelling of 20060638 in words is "twenty million, sixty thousand, six hundred thirty-eight".