20485011 has 8 divisors (see below), whose sum is σ = 27370944. Its totient is φ = 13627880.

The previous prime is 20485009. The next prime is 20485033. The reversal of 20485011 is 11058402.

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 20485011 - 2¹ = 20485009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20485511) 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, 5481 + ... + 8426.

It is an arithmetic number, because the mean of its divisors is an integer number (3421368).

Almost surely, 2^20485011 is an apocalyptic number.

20485011 is a deficient number, since it is larger than the sum of its proper divisors (6885933).

20485011 is a wasteful number, since it uses less digits than its factorization.

20485011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14401.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 20485011 is about 4526.0370082446. The cubic root of 20485011 is about 273.6184639441.

The spelling of 20485011 in words is "twenty million, four hundred eighty-five thousand, eleven".