20201031411 has 16 divisors (see below), whose sum is σ = 29395492608. Its totient is φ = 12237976800.

The previous prime is 20201031391. The next prime is 20201031421. The reversal of 20201031411 is 11413010202.

It is not a de Polignac number, because 20201031411 - 2¹¹ = 20201029363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201031421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45175 + ... + 206016.

It is an arithmetic number, because the mean of its divisors is an integer number (1837218288).

Almost surely, 2^20201031411 is an apocalyptic number.

20201031411 is a deficient number, since it is larger than the sum of its proper divisors (9194461197).

20201031411 is a wasteful number, since it uses less digits than its factorization.

20201031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253642.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20201031411 its reverse (11413010202), we get a palindrome (31614041613).

The spelling of 20201031411 in words is "twenty billion, two hundred one million, thirty-one thousand, four hundred eleven".