20733065 has 8 divisors (see below), whose sum is σ = 25230528. Its totient is φ = 16352560.

The previous prime is 20733029. The next prime is 20733067. The reversal of 20733065 is 56033702.

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

It is not a de Polignac number, because 20733065 - 2¹² = 20728969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20733067) 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, 28847 + ... + 29556.

It is an arithmetic number, because the mean of its divisors is an integer number (3153816).

Almost surely, 2^20733065 is an apocalyptic number.

It is an amenable number.

20733065 is a deficient number, since it is larger than the sum of its proper divisors (4497463).

20733065 is an equidigital number, since it uses as much as digits as its factorization.

20733065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58479.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 20733065 is about 4553.3575524002. The cubic root of 20733065 is about 274.7184556556.

Adding to 20733065 its reverse (56033702), we get a palindrome (76766767).

The spelling of 20733065 in words is "twenty million, seven hundred thirty-three thousand, sixty-five".