20457310013336 has 16 divisors (see below), whose sum is σ = 43837092885840. Its totient is φ = 8767418577120.

The previous prime is 20457310013321. The next prime is 20457310013339. The reversal of 20457310013336 is 63331001375402.

It is a self number, because there is not a number n which added to its sum of digits gives 20457310013336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20457310013339) 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, 182654553635 + ... + 182654553746.

It is an arithmetic number, because the mean of its divisors is an integer number (2739818305365).

Almost surely, 2^{20457310013336} is an apocalyptic number.

It is an amenable number.

20457310013336 is an abundant number, since it is smaller than the sum of its proper divisors (23379782872504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20457310013336 is a wasteful number, since it uses less digits than its factorization.

20457310013336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365309107394 (or 365309107390 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

Adding to 20457310013336 its reverse (63331001375402), we get a palindrome (83788311388738).

The spelling of 20457310013336 in words is "twenty trillion, four hundred fifty-seven billion, three hundred ten million, thirteen thousand, three hundred thirty-six".