20733078 has 16 divisors (see below), whose sum is σ = 41877936. Its totient is φ = 6842400.

The previous prime is 20733073. The next prime is 20733103. The reversal of 20733078 is 87033702.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20733073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16501 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (2617371).

Almost surely, 2^20733078 is an apocalyptic number.

20733078 is an abundant number, since it is smaller than the sum of its proper divisors (21144858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20733078 is a wasteful number, since it uses less digits than its factorization.

20733078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34319.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 20733078 is about 4553.3589799180. The cubic root of 20733078 is about 274.7185130734.

It can be divided in two parts, 2073 and 3078, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 20733078 in words is "twenty million, seven hundred thirty-three thousand, seventy-eight".