20549053 has 8 divisors (see below), whose sum is σ = 23664960. Its totient is φ = 17478240.

The previous prime is 20549027. The next prime is 20549069. The reversal of 20549053 is 35094502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20549053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20549003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10288 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (2958120).

Almost surely, 2^20549053 is an apocalyptic number.

It is an amenable number.

20549053 is a deficient number, since it is larger than the sum of its proper divisors (3115907).

20549053 is a wasteful number, since it uses less digits than its factorization.

20549053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22547.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 20549053 is about 4533.1063301008. The cubic root of 20549053 is about 273.9033038303.

The spelling of 20549053 in words is "twenty million, five hundred forty-nine thousand, fifty-three".