20330801 has 4 divisors (see below), whose sum is σ = 20420592. Its totient is φ = 20241012.

The previous prime is 20330777. The next prime is 20330803. The reversal of 20330801 is 10803302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20330801 - 2¹⁴ = 20314417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20330801.

It is not an unprimeable number, because it can be changed into a prime (20330803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44555 + ... + 45008.

It is an arithmetic number, because the mean of its divisors is an integer number (5105148).

Almost surely, 2^20330801 is an apocalyptic number.

It is an amenable number.

20330801 is a deficient number, since it is larger than the sum of its proper divisors (89791).

20330801 is an equidigital number, since it uses as much as digits as its factorization.

20330801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89790.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20330801 is about 4508.9689508800. The cubic root of 20330801 is about 272.9301390652.

The spelling of 20330801 in words is "twenty million, three hundred thirty thousand, eight hundred one".