20485361 has 8 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 18724752.

The previous prime is 20485321. The next prime is 20485369. The reversal of 20485361 is 16358402.

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

It is a cyclic number.

It is not a de Polignac number, because 20485361 - 2²² = 16291057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20485369) 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, 6311 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (2784600).

Almost surely, 2^20485361 is an apocalyptic number.

It is an amenable number.

20485361 is a deficient number, since it is larger than the sum of its proper divisors (1791439).

20485361 is a wasteful number, since it uses less digits than its factorization.

20485361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15415.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 20485361 is about 4526.0756732516. The cubic root of 20485361 is about 273.6200222528.

The spelling of 20485361 in words is "twenty million, four hundred eighty-five thousand, three hundred sixty-one".