20465011 has 8 divisors (see below), whose sum is σ = 23458400. Its totient is φ = 17489088.

The previous prime is 20464987. The next prime is 20465041. The reversal of 20465011 is 11056402.

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

It is not a de Polignac number, because 20465011 - 2⁵ = 20464979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20465011.

It is not an unprimeable number, because it can be changed into a prime (20465041) 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, 1746 + ... + 6631.

It is an arithmetic number, because the mean of its divisors is an integer number (2932300).

Almost surely, 2^20465011 is an apocalyptic number.

20465011 is a deficient number, since it is larger than the sum of its proper divisors (2993389).

20465011 is an equidigital number, since it uses as much as digits as its factorization.

20465011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20465011 is about 4523.8270302919. The cubic root of 20465011 is about 273.5293882262.

The spelling of 20465011 in words is "twenty million, four hundred sixty-five thousand, eleven".