20741006 has 32 divisors (see below), whose sum is σ = 37352448. Its totient is φ = 8511840.

The previous prime is 20740999. The next prime is 20741029. The reversal of 20741006 is 60014702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12671 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (1167264).

Almost surely, 2^20741006 is an apocalyptic number.

20741006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20741006 is a deficient number, since it is larger than the sum of its proper divisors (16611442).

20741006 is a wasteful number, since it uses less digits than its factorization.

20741006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20741006 is about 4554.2294628181. The cubic root of 20741006 is about 274.7535246110.

Adding to 20741006 its reverse (60014702), we get a palindrome (80755708).

The spelling of 20741006 in words is "twenty million, seven hundred forty-one thousand, six".