20738006 has 12 divisors (see below), whose sum is σ = 32831532. Its totient is φ = 9822924.

The previous prime is 20737967. The next prime is 20738021. The reversal of 20738006 is 60083702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13640 + ... + 15083.

It is an arithmetic number, because the mean of its divisors is an integer number (2735961).

Almost surely, 2^20738006 is an apocalyptic number.

20738006 is a deficient number, since it is larger than the sum of its proper divisors (12093526).

20738006 is a wasteful number, since it uses less digits than its factorization.

20738006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763 (or 28744 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20738006 is about 4553.9000867388. The cubic root of 20738006 is about 274.7402770968.

The spelling of 20738006 in words is "twenty million, seven hundred thirty-eight thousand, six".