20332031135 has 16 divisors (see below), whose sum is σ = 26985385056. Its totient is φ = 14608626048.

The previous prime is 20332031087. The next prime is 20332031177. The reversal of 20332031135 is 53113023302.

It is a cyclic number.

It is not a de Polignac number, because 20332031135 - 2¹⁴ = 20332014751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332031135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4224629 + ... + 4229438.

It is an arithmetic number, because the mean of its divisors is an integer number (1686586566).

Almost surely, 2^20332031135 is an apocalyptic number.

20332031135 is a deficient number, since it is larger than the sum of its proper divisors (6653353921).

20332031135 is a wasteful number, since it uses less digits than its factorization.

20332031135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454122.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 20332031135 its reverse (53113023302), we get a palindrome (73445054437).

The spelling of 20332031135 in words is "twenty billion, three hundred thirty-two million, thirty-one thousand, one hundred thirty-five".