20773520234 has 8 divisors (see below), whose sum is σ = 31160985120. Its totient is φ = 10386525196.

The previous prime is 20773520219. The next prime is 20773520263. The reversal of 20773520234 is 43202537702.

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

It is a junction number, because it is equal to n+sod(n) for n = 20773520194 and 20773520203.

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 in 3 ways as a sum of consecutive naturals, for example, 30197 + ... + 206055.

It is an arithmetic number, because the mean of its divisors is an integer number (3895123140).

Almost surely, 2^20773520234 is an apocalyptic number.

20773520234 is a deficient number, since it is larger than the sum of its proper divisors (10387464886).

20773520234 is a wasteful number, since it uses less digits than its factorization.

20773520234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234924.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20773520234 in words is "twenty billion, seven hundred seventy-three million, five hundred twenty thousand, two hundred thirty-four".