20068465 has 8 divisors (see below), whose sum is σ = 25349760. Its totient is φ = 15209712.

The previous prime is 20068463. The next prime is 20068469. The reversal of 20068465 is 56486002.

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

It is a cyclic number.

It is not a de Polignac number, because 20068465 - 2¹ = 20068463 is a prime.

It is a super-3 number, since 3×20068465³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20068463) 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 7 ways as a sum of consecutive naturals, for example, 105529 + ... + 105718.

It is an arithmetic number, because the mean of its divisors is an integer number (3168720).

Almost surely, 2^20068465 is an apocalyptic number.

It is an amenable number.

20068465 is a deficient number, since it is larger than the sum of its proper divisors (5281295).

20068465 is a wasteful number, since it uses less digits than its factorization.

20068465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211271.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 20068465 is about 4479.7840349731. The cubic root of 20068465 is about 271.7511465638.

The spelling of 20068465 in words is "twenty million, sixty-eight thousand, four hundred sixty-five".