20013251041436 has 6 divisors (see below), whose sum is σ = 35023189322520. Its totient is φ = 10006625520716.

The previous prime is 20013251041397. The next prime is 20013251041451. The reversal of 20013251041436 is 63414015231002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501656380176 + ... + 2501656380183.

It is an arithmetic number, because the mean of its divisors is an integer number (5837198220420).

Almost surely, 2^{20013251041436} is an apocalyptic number.

It is an amenable number.

20013251041436 is a deficient number, since it is larger than the sum of its proper divisors (15009938281084).

20013251041436 is a wasteful number, since it uses less digits than its factorization.

20013251041436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003312760363 (or 5003312760361 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20013251041436 its reverse (63414015231002), we get a palindrome (83427266272438).

The spelling of 20013251041436 in words is "twenty trillion, thirteen billion, two hundred fifty-one million, forty-one thousand, four hundred thirty-six".