20315134413404 has 6 divisors (see below), whose sum is σ = 35551485223464. Its totient is φ = 10157567206700.

The previous prime is 20315134413377. The next prime is 20315134413419. The reversal of 20315134413404 is 40431443151302.

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, 2539391801672 + ... + 2539391801679.

It is an arithmetic number, because the mean of its divisors is an integer number (5925247537244).

Almost surely, 2^{20315134413404} is an apocalyptic number.

It is an amenable number.

20315134413404 is a deficient number, since it is larger than the sum of its proper divisors (15236350810060).

20315134413404 is a wasteful number, since it uses less digits than its factorization.

20315134413404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078783603355 (or 5078783603353 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 20315134413404 its reverse (40431443151302), we get a palindrome (60746577564706).

The spelling of 20315134413404 in words is "twenty trillion, three hundred fifteen billion, one hundred thirty-four million, four hundred thirteen thousand, four hundred four".