20407773410445 has 8 divisors (see below), whose sum is σ = 32652437456736. Its totient is φ = 10884145818896.

The previous prime is 20407773410389. The next prime is 20407773410449. The reversal of 20407773410445 is 54401437770402.

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

It is a cyclic number.

It is not a de Polignac number, because 20407773410445 - 2¹⁴ = 20407773394061 is a prime.

It is a super-3 number, since 3×20407773410445³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20407773410394 and 20407773410403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20407773410449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680259113667 + ... + 680259113696.

It is an arithmetic number, because the mean of its divisors is an integer number (4081554682092).

Almost surely, 2^{20407773410445} is an apocalyptic number.

It is an amenable number.

20407773410445 is a deficient number, since it is larger than the sum of its proper divisors (12244664046291).

20407773410445 is a wasteful number, since it uses less digits than its factorization.

20407773410445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360518227371.

The product of its (nonzero) digits is 2634240, while the sum is 48.

The spelling of 20407773410445 in words is "twenty trillion, four hundred seven billion, seven hundred seventy-three million, four hundred ten thousand, four hundred forty-five".