20734331417 has 4 divisors (see below), whose sum is σ = 20841763380. Its totient is φ = 20626899456.

The previous prime is 20734331311. The next prime is 20734331459. The reversal of 20734331417 is 71413343702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15118177936 + 5616153481 = 122956^2 + 74941^2 .

It is a cyclic number.

It is not a de Polignac number, because 20734331417 - 2⁸ = 20734331161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20734331017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53715692 + ... + 53716077.

It is an arithmetic number, because the mean of its divisors is an integer number (5210440845).

Almost surely, 2^20734331417 is an apocalyptic number.

It is an amenable number.

20734331417 is a deficient number, since it is larger than the sum of its proper divisors (107431963).

20734331417 is a wasteful number, since it uses less digits than its factorization.

20734331417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107431962.

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 20734331417 in words is "twenty billion, seven hundred thirty-four million, three hundred thirty-one thousand, four hundred seventeen".