20450366446 has 4 divisors (see below), whose sum is σ = 30675549672. Its totient is φ = 10225183222.

The previous prime is 20450366437. The next prime is 20450366467. The reversal of 20450366446 is 64466305402.

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 = 20450366399 and 20450366408.

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, 5112591610 + ... + 5112591613.

It is an arithmetic number, because the mean of its divisors is an integer number (7668887418).

Almost surely, 2^20450366446 is an apocalyptic number.

20450366446 is a deficient number, since it is larger than the sum of its proper divisors (10225183226).

20450366446 is a wasteful number, since it uses less digits than its factorization.

20450366446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225183225.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 20450366446 in words is "twenty billion, four hundred fifty million, three hundred sixty-six thousand, four hundred forty-six".