20375522 has 8 divisors (see below), whose sum is σ = 30950400. Its totient is φ = 10058724.

The previous prime is 20375519. The next prime is 20375527. The reversal of 20375522 is 22557302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20375491 and 20375500.

It is not an unprimeable number, because it can be changed into a prime (20375527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64322 + ... + 64637.

It is an arithmetic number, because the mean of its divisors is an integer number (3868800).

Almost surely, 2^20375522 is an apocalyptic number.

20375522 is a deficient number, since it is larger than the sum of its proper divisors (10574878).

20375522 is a wasteful number, since it uses less digits than its factorization.

20375522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129040.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 20375522 is about 4513.9253427588. The cubic root of 20375522 is about 273.1301110219.

The spelling of 20375522 in words is "twenty million, three hundred seventy-five thousand, five hundred twenty-two".