20549246 has 16 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 9911160.

The previous prime is 20549239. The next prime is 20549251. The reversal of 20549246 is 64294502.

It is a super-2 number, since 2×20549246² = 844543022337032, which contains 22 as substring.

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, 5135 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^20549246 is an apocalyptic number.

20549246 is a deficient number, since it is larger than the sum of its proper divisors (11384194).

20549246 is a wasteful number, since it uses less digits than its factorization.

20549246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 20549246 is about 4533.1276178815. The cubic root of 20549246 is about 273.9041613422.

The spelling of 20549246 in words is "twenty million, five hundred forty-nine thousand, two hundred forty-six".