20355263314156 has 12 divisors (see below), whose sum is σ = 35673865578792. Its totient is φ = 10162730291648.

The previous prime is 20355263314129. The next prime is 20355263314193. The reversal of 20355263314156 is 65141336255302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725338285 + ... + 3725343748.

It is an arithmetic number, because the mean of its divisors is an integer number (2972822131566).

Almost surely, 2^{20355263314156} is an apocalyptic number.

It is an amenable number.

20355263314156 is a deficient number, since it is larger than the sum of its proper divisors (15318602264636).

20355263314156 is a wasteful number, since it uses less digits than its factorization.

20355263314156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450682720 (or 7450682718 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 46.

Adding to 20355263314156 its reverse (65141336255302), we get a palindrome (85496599569458).

The spelling of 20355263314156 in words is "twenty trillion, three hundred fifty-five billion, two hundred sixty-three million, three hundred fourteen thousand, one hundred fifty-six".