20535226 has 8 divisors (see below), whose sum is σ = 31091040. Its totient is φ = 10171548.

The previous prime is 20535217. The next prime is 20535227. The reversal of 20535226 is 62253502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20535226.

It is not an unprimeable number, because it can be changed into a prime (20535227) 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, 47766 + ... + 48193.

It is an arithmetic number, because the mean of its divisors is an integer number (3886380).

Almost surely, 2^20535226 is an apocalyptic number.

20535226 is a deficient number, since it is larger than the sum of its proper divisors (10555814).

20535226 is a wasteful number, since it uses less digits than its factorization.

20535226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96068.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 20535226 is about 4531.5809603272. The cubic root of 20535226 is about 273.8418555686.

Adding to 20535226 its reverse (62253502), we get a palindrome (82788728).

The spelling of 20535226 in words is "twenty million, five hundred thirty-five thousand, two hundred twenty-six".