20633061 has 8 divisors (see below), whose sum is σ = 27545440. Its totient is φ = 13738032.

The previous prime is 20633033. The next prime is 20633071. The reversal of 20633061 is 16033602.

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

It is not a de Polignac number, because 20633061 - 2⁷ = 20632933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633071) 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, 1246 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (3443180).

Almost surely, 2^20633061 is an apocalyptic number.

It is an amenable number.

20633061 is a deficient number, since it is larger than the sum of its proper divisors (6912379).

20633061 is an equidigital number, since it uses as much as digits as its factorization.

20633061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 20633061 is about 4542.3629313387. The cubic root of 20633061 is about 274.2760506656.

Adding to 20633061 its reverse (16033602), we get a palindrome (36666663).

The spelling of 20633061 in words is "twenty million, six hundred thirty-three thousand, sixty-one".