20000520506 has 8 divisors (see below), whose sum is σ = 31579769280. Its totient is φ = 9473930748.

The previous prime is 20000520503. The next prime is 20000520539. The reversal of 20000520506 is 60502500002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20000520503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263164706 + ... + 263164781.

It is an arithmetic number, because the mean of its divisors is an integer number (3947471160).

Almost surely, 2^20000520506 is an apocalyptic number.

20000520506 is a deficient number, since it is larger than the sum of its proper divisors (11579248774).

20000520506 is a wasteful number, since it uses less digits than its factorization.

20000520506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526329508.

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 20000520506 in words is "twenty billion, five hundred twenty thousand, five hundred six".