20064502 has 16 divisors (see below), whose sum is σ = 31363200. Its totient is φ = 9616320.

The previous prime is 20064497. The next prime is 20064509. The reversal of 20064502 is 20546002.

It is a self number, because there is not a number n which added to its sum of digits gives 20064502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064509) 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, 5274 + ... + 8242.

It is an arithmetic number, because the mean of its divisors is an integer number (1960200).

Almost surely, 2^20064502 is an apocalyptic number.

20064502 is a deficient number, since it is larger than the sum of its proper divisors (11298698).

20064502 is a wasteful number, since it uses less digits than its factorization.

20064502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20064502 is about 4479.3416927044. The cubic root of 20064502 is about 271.7332574579.

The spelling of 20064502 in words is "twenty million, sixty-four thousand, five hundred two".