20746046 has 16 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 9892344.

The previous prime is 20746031. The next prime is 20746051. The reversal of 20746046 is 64064702.

It is a Curzon number.

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, 27551 + ... + 28293.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

Almost surely, 2^20746046 is an apocalyptic number.

20746046 is a deficient number, since it is larger than the sum of its proper divisors (11823298).

20746046 is a wasteful number, since it uses less digits than its factorization.

20746046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20746046 is about 4554.7827610107. The cubic root of 20746046 is about 274.7757775595.

The spelling of 20746046 in words is "twenty million, seven hundred forty-six thousand, forty-six".