20614564046 has 4 divisors (see below), whose sum is σ = 30921846072. Its totient is φ = 10307282022.

The previous prime is 20614564031. The next prime is 20614564111. The reversal of 20614564046 is 64046541602.

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

It is a congruent number.

It is an unprimeable number.

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, 5153641010 + ... + 5153641013.

It is an arithmetic number, because the mean of its divisors is an integer number (7730461518).

Almost surely, 2^20614564046 is an apocalyptic number.

20614564046 is a deficient number, since it is larger than the sum of its proper divisors (10307282026).

20614564046 is a wasteful number, since it uses less digits than its factorization.

20614564046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307282025.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 20614564046 in words is "twenty billion, six hundred fourteen million, five hundred sixty-four thousand, forty-six".