20733055 has 16 divisors (see below), whose sum is σ = 28629504. Its totient is φ = 14119200.

The previous prime is 20733029. The next prime is 20733067. The reversal of 20733055 is 55033702.

It is not a de Polignac number, because 20733055 - 2⁷ = 20732927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3324 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (1789344).

Almost surely, 2^20733055 is an apocalyptic number.

20733055 is a deficient number, since it is larger than the sum of its proper divisors (7896449).

20733055 is a wasteful number, since it uses less digits than its factorization.

20733055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 20733055 is about 4553.3564543093. The cubic root of 20733055 is about 274.7184114881.

Adding to 20733055 its reverse (55033702), we get a palindrome (75766757).

The spelling of 20733055 in words is "twenty million, seven hundred thirty-three thousand, fifty-five".