20400300412 has 24 divisors (see below), whose sum is σ = 35911512000. Its totient is φ = 10140035136.

The previous prime is 20400300397. The next prime is 20400300421. The reversal of 20400300412 is 21400300402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477714 + ... + 518662.

It is an arithmetic number, because the mean of its divisors is an integer number (1496313000).

Almost surely, 2^20400300412 is an apocalyptic number.

It is an amenable number.

20400300412 is a deficient number, since it is larger than the sum of its proper divisors (15511211588).

20400300412 is a wasteful number, since it uses less digits than its factorization.

20400300412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41685 (or 41683 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20400300412 its reverse (21400300402), we get a palindrome (41800600814).

The spelling of 20400300412 in words is "twenty billion, four hundred million, three hundred thousand, four hundred twelve".