20702067466 has 4 divisors (see below), whose sum is σ = 31053101202. Its totient is φ = 10351033732.

The previous prime is 20702067461. The next prime is 20702067467. The reversal of 20702067466 is 66476020702.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 20300265441 + 401802025 = 142479^2 + 20045^2 .

It is a super-2 number, since 2×20702067466² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20702067461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5175516865 + ... + 5175516868.

Almost surely, 2^20702067466 is an apocalyptic number.

20702067466 is a deficient number, since it is larger than the sum of its proper divisors (10351033736).

20702067466 is a wasteful number, since it uses less digits than its factorization.

20702067466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351033735.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 20702067466 in words is "twenty billion, seven hundred two million, sixty-seven thousand, four hundred sixty-six".