20205331046 has 8 divisors (see below), whose sum is σ = 30338831664. Its totient is φ = 10092387160.

The previous prime is 20205331031. The next prime is 20205331049. The reversal of 20205331046 is 64013350202.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205331049) 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, 5136725 + ... + 5140656.

It is an arithmetic number, because the mean of its divisors is an integer number (3792353958).

Almost surely, 2^20205331046 is an apocalyptic number.

20205331046 is a deficient number, since it is larger than the sum of its proper divisors (10133500618).

20205331046 is a wasteful number, since it uses less digits than its factorization.

20205331046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278366.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20205331046 its reverse (64013350202), we get a palindrome (84218681248).

The spelling of 20205331046 in words is "twenty billion, two hundred five million, three hundred thirty-one thousand, forty-six".