21420130302333 has 24 divisors (see below), whose sum is σ = 35384551258368. Its totient is φ = 12231650404512.

The previous prime is 21420130302283. The next prime is 21420130302371. The reversal of 21420130302333 is 33320303102412.

21420130302333 is a `hidden beast` number, since 2 + 1 + 4 + 20 + 1 + 3 + 0 + 302 + 333 = 666.

It is not a de Polignac number, because 21420130302333 - 2²⁶ = 21420063193469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21420130302297 and 21420130302306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21420130302833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116908485 + ... + 117091562.

It is an arithmetic number, because the mean of its divisors is an integer number (1474356302432).

Almost surely, 2^{21420130302333} is an apocalyptic number.

It is an amenable number.

21420130302333 is a deficient number, since it is larger than the sum of its proper divisors (13964420956035).

21420130302333 is a wasteful number, since it uses less digits than its factorization.

21420130302333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234001513 (or 234001510 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21420130302333 its reverse (33320303102412), we get a palindrome (54740433404745).

The spelling of 21420130302333 in words is "twenty-one trillion, four hundred twenty billion, one hundred thirty million, three hundred two thousand, three hundred thirty-three".