20064735 has 12 divisors (see below), whose sum is σ = 34778952. Its totient is φ = 10701168.

The previous prime is 20064727. The next prime is 20064739. The reversal of 20064735 is 53746002.

It is a happy number.

It is not a de Polignac number, because 20064735 - 2³ = 20064727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20064699 and 20064708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222897 + ... + 222986.

It is an arithmetic number, because the mean of its divisors is an integer number (2898246).

Almost surely, 2^20064735 is an apocalyptic number.

20064735 is a deficient number, since it is larger than the sum of its proper divisors (14714217).

20064735 is a wasteful number, since it uses less digits than its factorization.

20064735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445894 (or 445891 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20064735 is about 4479.3677009149. The cubic root of 20064735 is about 271.7343092923.

The spelling of 20064735 in words is "twenty million, sixty-four thousand, seven hundred thirty-five".