20473167446 has 4 divisors (see below), whose sum is σ = 30709751172. Its totient is φ = 10236583722.

The previous prime is 20473167437. The next prime is 20473167457. The reversal of 20473167446 is 64476137402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20473167397 and 20473167406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5118291860 + ... + 5118291863.

It is an arithmetic number, because the mean of its divisors is an integer number (7677437793).

Almost surely, 2^20473167446 is an apocalyptic number.

20473167446 is a deficient number, since it is larger than the sum of its proper divisors (10236583726).

20473167446 is a wasteful number, since it uses less digits than its factorization.

20473167446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236583725.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 20473167446 in words is "twenty billion, four hundred seventy-three million, one hundred sixty-seven thousand, four hundred forty-six".