20346305624136 has 128 divisors (see below), whose sum is σ = 60081153840000. Its totient is φ = 6361533676800.

The previous prime is 20346305624107. The next prime is 20346305624213. The reversal of 20346305624136 is 63142650364302.

20346305624136 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 6 + 3 + 0 + 5 + 624 + 13 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20346305624091 and 20346305624100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24128451 + ... + 24957458.

It is an arithmetic number, because the mean of its divisors is an integer number (469384014375).

Almost surely, 2^{20346305624136} is an apocalyptic number.

It is an amenable number.

20346305624136 is an abundant number, since it is smaller than the sum of its proper divisors (39734848215864).

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

20346305624136 is a wasteful number, since it uses less digits than its factorization.

20346305624136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49086044 (or 49086034 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

Adding to 20346305624136 its reverse (63142650364302), we get a palindrome (83488955988438).

The spelling of 20346305624136 in words is "twenty trillion, three hundred forty-six billion, three hundred five million, six hundred twenty-four thousand, one hundred thirty-six".