20966078 has 8 divisors (see below), whose sum is σ = 35941872. Its totient is φ = 8985456.

The previous prime is 20966053. The next prime is 20966081. The reversal of 20966078 is 87066902.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 748775 + ... + 748802.

It is an arithmetic number, because the mean of its divisors is an integer number (4492734).

Almost surely, 2^20966078 is an apocalyptic number.

20966078 is a deficient number, since it is larger than the sum of its proper divisors (14975794).

20966078 is a wasteful number, since it uses less digits than its factorization.

20966078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497586.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 20966078 is about 4578.8730054458. The cubic root of 20966078 is about 275.7437848393.

The spelling of 20966078 in words is "twenty million, nine hundred sixty-six thousand, seventy-eight".