20354134314063 has 128 divisors (see below), whose sum is σ = 33221367889920. Its totient is φ = 10951509888000.

The previous prime is 20354134314061. The next prime is 20354134314079. The reversal of 20354134314063 is 36041343145302.

It is not a de Polignac number, because 20354134314063 - 2¹ = 20354134314061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354134314061) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 56737845 + ... + 57095457.

It is an arithmetic number, because the mean of its divisors is an integer number (259541936640).

Almost surely, 2^{20354134314063} is an apocalyptic number.

20354134314063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20354134314063 is a deficient number, since it is larger than the sum of its proper divisors (12867233575857).

20354134314063 is a wasteful number, since it uses less digits than its factorization.

20354134314063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357781.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 20354134314063 its reverse (36041343145302), we get a palindrome (56395477459365).

The spelling of 20354134314063 in words is "twenty trillion, three hundred fifty-four billion, one hundred thirty-four million, three hundred fourteen thousand, sixty-three".