20552334 has 24 divisors (see below), whose sum is σ = 45182760. Its totient is φ = 6227760.

The previous prime is 20552333. The next prime is 20552339. The reversal of 20552334 is 43325502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552333) 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 11 ways as a sum of consecutive naturals, for example, 13429 + ... + 14880.

It is an arithmetic number, because the mean of its divisors is an integer number (1882615).

Almost surely, 2^20552334 is an apocalyptic number.

20552334 is an abundant number, since it is smaller than the sum of its proper divisors (24630426).

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

20552334 is a wasteful number, since it uses less digits than its factorization.

20552334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336 (or 28325 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 20552334 is about 4533.4682087779. The cubic root of 20552334 is about 273.9178808023.

Adding to 20552334 its reverse (43325502), we get a palindrome (63877836).

The spelling of 20552334 in words is "twenty million, five hundred fifty-two thousand, three hundred thirty-four".