20301235412 has 12 divisors (see below), whose sum is σ = 35563532340. Its totient is φ = 10140226176.

The previous prime is 20301235411. The next prime is 20301235447. The reversal of 20301235412 is 21453210302.

It can be written as a sum of positive squares in 2 ways, for example, as 7836852676 + 12464382736 = 88526^2 + 111644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301235411) 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, 2593487 + ... + 2601302.

It is an arithmetic number, because the mean of its divisors is an integer number (2963627695).

Almost surely, 2^20301235412 is an apocalyptic number.

It is an amenable number.

20301235412 is a deficient number, since it is larger than the sum of its proper divisors (15262296928).

20301235412 is a wasteful number, since it uses less digits than its factorization.

20301235412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195770 (or 5195768 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20301235412 its reverse (21453210302), we get a palindrome (41754445714).

The spelling of 20301235412 in words is "twenty billion, three hundred one million, two hundred thirty-five thousand, four hundred twelve".