20010520339 has 8 divisors (see below), whose sum is σ = 21069329040. Its totient is φ = 18952274016.

The previous prime is 20010520333. The next prime is 20010520357. The reversal of 20010520339 is 93302501002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20010520339 - 2³ = 20010520331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010520331) 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, 66544 + ... + 210829.

It is an arithmetic number, because the mean of its divisors is an integer number (2633666130).

Almost surely, 2^20010520339 is an apocalyptic number.

20010520339 is a deficient number, since it is larger than the sum of its proper divisors (1058808701).

20010520339 is a wasteful number, since it uses less digits than its factorization.

20010520339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281189.

The product of its (nonzero) digits is 1620, while the sum is 25.

The spelling of 20010520339 in words is "twenty billion, ten million, five hundred twenty thousand, three hundred thirty-nine".