20300400412 has 12 divisors (see below), whose sum is σ = 35531598760. Its totient is φ = 10148515056.

The previous prime is 20300400391. The next prime is 20300400431. The reversal of 20300400412 is 21400400302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393987 + ... + 442522.

Almost surely, 2^20300400412 is an apocalyptic number.

It is an amenable number.

20300400412 is a deficient number, since it is larger than the sum of its proper divisors (15231198348).

20300400412 is a wasteful number, since it uses less digits than its factorization.

20300400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842580 (or 842578 counting only the distinct ones).

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

Adding to 20300400412 its reverse (21400400302), we get a palindrome (41700800714).

The spelling of 20300400412 in words is "twenty billion, three hundred million, four hundred thousand, four hundred twelve".