20063838 has 16 divisors (see below), whose sum is σ = 40237056. Its totient is φ = 6669720.

The previous prime is 20063809. The next prime is 20063899. The reversal of 20063838 is 83836002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (2514816).

Almost surely, 2^20063838 is an apocalyptic number.

20063838 is an abundant number, since it is smaller than the sum of its proper divisors (20173218).

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

20063838 is a wasteful number, since it uses less digits than its factorization.

20063838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20063838 is about 4479.2675740572. The cubic root of 20063838 is about 271.7302599107.

The spelling of 20063838 in words is "twenty million, sixty-three thousand, eight hundred thirty-eight".