20624141255434 has 4 divisors (see below), whose sum is σ = 30936211883154. Its totient is φ = 10312070627716.

The previous prime is 20624141255413. The next prime is 20624141255453. The reversal of 20624141255434 is 43455214142602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13185141388225 + 7438999867209 = 3631135^2 + 2727453^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156035313857 + ... + 5156035313860.

Almost surely, 2^{20624141255434} is an apocalyptic number.

20624141255434 is a deficient number, since it is larger than the sum of its proper divisors (10312070627720).

20624141255434 is a wasteful number, since it uses less digits than its factorization.

20624141255434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312070627719.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 20624141255434 in words is "twenty trillion, six hundred twenty-four billion, one hundred forty-one million, two hundred fifty-five thousand, four hundred thirty-four".