20476456234 has 8 divisors (see below), whose sum is σ = 33077352420. Its totient is φ = 9450672096.

The previous prime is 20476456223. The next prime is 20476456267. The reversal of 20476456234 is 43265467402.

It can be written as a sum of positive squares in 2 ways, for example, as 20435560209 + 40896025 = 142953^2 + 6395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393777979 + ... + 393778030.

Almost surely, 2^20476456234 is an apocalyptic number.

20476456234 is a deficient number, since it is larger than the sum of its proper divisors (12600896186).

20476456234 is a wasteful number, since it uses less digits than its factorization.

20476456234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787556024.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 20476456234 in words is "twenty billion, four hundred seventy-six million, four hundred fifty-six thousand, two hundred thirty-four".