20310453612032 has 20 divisors (see below), whose sum is σ = 40581238370376. Its totient is φ = 10155226805760.

The previous prime is 20310453612013. The next prime is 20310453612037. The reversal of 20310453612032 is 23021635401302.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20310453612032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310453612037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19834426844 + ... + 19834427867.

Almost surely, 2^{20310453612032} is an apocalyptic number.

It is an amenable number.

20310453612032 is a deficient number, since it is larger than the sum of its proper divisors (20270784758344).

20310453612032 is an frugal number, since it uses more digits than its factorization.

20310453612032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39668854729 (or 39668854713 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 20310453612032 in words is "twenty trillion, three hundred ten billion, four hundred fifty-three million, six hundred twelve thousand, thirty-two".