20065064 has 32 divisors (see below), whose sum is σ = 40024800. Its totient is φ = 9403200.

The previous prime is 20065061. The next prime is 20065069. The reversal of 20065064 is 46056002.

It is not an unprimeable number, because it can be changed into a prime (20065061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14699 + ... + 16005.

It is an arithmetic number, because the mean of its divisors is an integer number (1250775).

Almost surely, 2^20065064 is an apocalyptic number.

It is an amenable number.

20065064 is a deficient number, since it is larger than the sum of its proper divisors (19959736).

20065064 is a wasteful number, since it uses less digits than its factorization.

20065064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20065064 is about 4479.4044246976. The cubic root of 20065064 is about 271.7357944868.

The spelling of 20065064 in words is "twenty million, sixty-five thousand, sixty-four".