20064464 has 40 divisors (see below), whose sum is σ = 46366080. Its totient is φ = 8224128.

The previous prime is 20064461. The next prime is 20064469. The reversal of 20064464 is 46446002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064461) 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, 1319 + ... + 6470.

It is an arithmetic number, because the mean of its divisors is an integer number (1159152).

Almost surely, 2^20064464 is an apocalyptic number.

It is an amenable number.

20064464 is an abundant number, since it is smaller than the sum of its proper divisors (26301616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20064464 is a wasteful number, since it uses less digits than its factorization.

20064464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20064464 is about 4479.3374510077. The cubic root of 20064464 is about 271.7330859133.

The spelling of 20064464 in words is "twenty million, sixty-four thousand, four hundred sixty-four".