20026738 has 16 divisors (see below), whose sum is σ = 30594816. Its totient is φ = 9830160.

The previous prime is 20026729. The next prime is 20026753. The reversal of 20026738 is 83762002.

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, 36748 + ... + 37288.

It is an arithmetic number, because the mean of its divisors is an integer number (1912176).

Almost surely, 2^20026738 is an apocalyptic number.

20026738 is a deficient number, since it is larger than the sum of its proper divisors (10568078).

20026738 is a wasteful number, since it uses less digits than its factorization.

20026738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20026738 is about 4475.1243558140. The cubic root of 20026738 is about 271.5626712912.

The spelling of 20026738 in words is "twenty million, twenty-six thousand, seven hundred thirty-eight".