20104427750 has 32 divisors (see below), whose sum is σ = 41056902432. Its totient is φ = 7310700000.

The previous prime is 20104427731. The next prime is 20104427753. The reversal of 20104427750 is 5772440102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104427753) 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 in 15 ways as a sum of consecutive naturals, for example, 3652601 + ... + 3658100.

It is an arithmetic number, because the mean of its divisors is an integer number (1283028201).

Almost surely, 2^20104427750 is an apocalyptic number.

20104427750 is an abundant number, since it is smaller than the sum of its proper divisors (20952474682).

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

20104427750 is a wasteful number, since it uses less digits than its factorization.

20104427750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310729 (or 7310719 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

Adding to 20104427750 its reverse (5772440102), we get a palindrome (25876867852).

The spelling of 20104427750 in words is "twenty billion, one hundred four million, four hundred twenty-seven thousand, seven hundred fifty".