20064460 has 24 divisors (see below), whose sum is σ = 45377136. Its totient is φ = 7408320.

The previous prime is 20064449. The next prime is 20064461. The reversal of 20064460 is 6446002.

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, 38326 + ... + 38845.

It is an arithmetic number, because the mean of its divisors is an integer number (1890714).

Almost surely, 2^20064460 is an apocalyptic number.

20064460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20064460 is an abundant number, since it is smaller than the sum of its proper divisors (25312676).

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

20064460 is a wasteful number, since it uses less digits than its factorization.

20064460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77193 (or 77191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20064460 is about 4479.3370045131. The cubic root of 20064460 is about 271.7330678559.

It can be divided in two parts, 200644 and 60, that added together give a square (200704 = 448²).

The spelling of 20064460 in words is "twenty million, sixty-four thousand, four hundred sixty".