20446006407 has 8 divisors (see below), whose sum is σ = 27531256560. Its totient is φ = 13495713600.

The previous prime is 20446006393. The next prime is 20446006409. The reversal of 20446006407 is 70460064402.

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

It is not a de Polignac number, because 20446006407 - 2⁷ = 20446006279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446006409) 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, 33738982 + ... + 33739587.

It is an arithmetic number, because the mean of its divisors is an integer number (3441407070).

Almost surely, 2^20446006407 is an apocalyptic number.

20446006407 is a deficient number, since it is larger than the sum of its proper divisors (7085250153).

20446006407 is a wasteful number, since it uses less digits than its factorization.

20446006407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67478673.

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 20446006407 in words is "twenty billion, four hundred forty-six million, six thousand, four hundred seven".