20301133455 has 12 divisors (see below), whose sum is σ = 35188631400. Its totient is φ = 10827271152.

The previous prime is 20301133451. The next prime is 20301133481. The reversal of 20301133455 is 55433110302.

20301133455 is a `hidden beast` number, since 2 + 0 + 301 + 13 + 345 + 5 = 666.

It is not a de Polignac number, because 20301133455 - 2² = 20301133451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301133451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225568105 + ... + 225568194.

It is an arithmetic number, because the mean of its divisors is an integer number (2932385950).

Almost surely, 2^20301133455 is an apocalyptic number.

20301133455 is a deficient number, since it is larger than the sum of its proper divisors (14887497945).

20301133455 is a wasteful number, since it uses less digits than its factorization.

20301133455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451136310 (or 451136307 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 20301133455 its reverse (55433110302), we get a palindrome (75734243757).

The spelling of 20301133455 in words is "twenty billion, three hundred one million, one hundred thirty-three thousand, four hundred fifty-five".