20750326 has 4 divisors (see below), whose sum is σ = 31125492. Its totient is φ = 10375162.

The previous prime is 20750321. The next prime is 20750329. The reversal of 20750326 is 62305702.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20750326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5187580 + ... + 5187583.

It is an arithmetic number, because the mean of its divisors is an integer number (7781373).

Almost surely, 2^20750326 is an apocalyptic number.

20750326 is a deficient number, since it is larger than the sum of its proper divisors (10375166).

20750326 is a wasteful number, since it uses less digits than its factorization.

20750326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375165.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 20750326 is about 4555.2525725804. The cubic root of 20750326 is about 274.7946720750.

The spelling of 20750326 in words is "twenty million, seven hundred fifty thousand, three hundred twenty-six".