2020431302011 has 4 divisors (see below), whose sum is σ = 2030006806024. Its totient is φ = 2010855798000.

The previous prime is 2020431302009. The next prime is 2020431302041. The reversal of 2020431302011 is 1102031340202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020431302011 - 2¹ = 2020431302009 is a prime.

It is a super-2 number, since 2×2020431302011² (a number of 25 digits) contains 22 as substring.

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 2020431302011.

It is not an unprimeable number, because it can be changed into a prime (2020431302041) 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, 4787751690 + ... + 4787752111.

It is an arithmetic number, because the mean of its divisors is an integer number (507501701506).

Almost surely, 2^{2020431302011} is an apocalyptic number.

2020431302011 is a deficient number, since it is larger than the sum of its proper divisors (9575504013).

2020431302011 is an equidigital number, since it uses as much as digits as its factorization.

2020431302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575504012.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2020431302011 its reverse (1102031340202), we get a palindrome (3122462642213).

The spelling of 2020431302011 in words is "two trillion, twenty billion, four hundred thirty-one million, three hundred two thousand, eleven".