20465235 has 24 divisors (see below), whose sum is σ = 40541280. Its totient is φ = 9355392.

The previous prime is 20465233. The next prime is 20465243. The reversal of 20465235 is 53256402.

20465235 is a `hidden beast` number, since 2 + 0 + 4 + 652 + 3 + 5 = 666.

It is not a de Polignac number, because 20465235 - 2¹ = 20465233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20465199 and 20465208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32170 + ... + 32799.

It is an arithmetic number, because the mean of its divisors is an integer number (1689220).

Almost surely, 2^20465235 is an apocalyptic number.

20465235 is a deficient number, since it is larger than the sum of its proper divisors (20076045).

20465235 is a wasteful number, since it uses less digits than its factorization.

20465235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64987 (or 64984 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 20465235 is about 4523.8517880231. The cubic root of 20465235 is about 273.5303861955.

The spelling of 20465235 in words is "twenty million, four hundred sixty-five thousand, two hundred thirty-five".