194450020207 has 16 divisors (see below), whose sum is σ = 203269828608. Its totient is φ = 185802099840.

The previous prime is 194450020159. The next prime is 194450020217. The reversal of 194450020207 is 702020054491.

It is a cyclic number.

It is not a de Polignac number, because 194450020207 - 2²³ = 194441631599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194450020217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815758 + ... + 1026820.

It is an arithmetic number, because the mean of its divisors is an integer number (12704364288).

Almost surely, 2^194450020207 is an apocalyptic number.

194450020207 is a deficient number, since it is larger than the sum of its proper divisors (8819808401).

194450020207 is a wasteful number, since it uses less digits than its factorization.

194450020207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211470.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 194450020207 its reverse (702020054491), we get a palindrome (896470074698).

The spelling of 194450020207 in words is "one hundred ninety-four billion, four hundred fifty million, twenty thousand, two hundred seven".