20420030035312 has 20 divisors (see below), whose sum is σ = 39578402083536. Its totient is φ = 10206248852480.

The previous prime is 20420030035303. The next prime is 20420030035367. The reversal of 20420030035312 is 21353003002402.

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, 235340593 + ... + 235427344.

Almost surely, 2^{20420030035312} is an apocalyptic number.

It is an amenable number.

20420030035312 is a deficient number, since it is larger than the sum of its proper divisors (19158372048224).

20420030035312 is a wasteful number, since it uses less digits than its factorization.

20420030035312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470770656 (or 470770650 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20420030035312 its reverse (21353003002402), we get a palindrome (41773033037714).

The spelling of 20420030035312 in words is "twenty trillion, four hundred twenty billion, thirty million, thirty-five thousand, three hundred twelve".