20194452350 has 12 divisors (see below), whose sum is σ = 37561681464. Its totient is φ = 8077780920.

The previous prime is 20194452319. The next prime is 20194452403. The reversal of 20194452350 is 5325449102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20194452350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201944474 + ... + 201944573.

It is an arithmetic number, because the mean of its divisors is an integer number (3130140122).

Almost surely, 2^20194452350 is an apocalyptic number.

20194452350 is a deficient number, since it is larger than the sum of its proper divisors (17367229114).

20194452350 is a wasteful number, since it uses less digits than its factorization.

20194452350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403889059 (or 403889054 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20194452350 in words is "twenty billion, one hundred ninety-four million, four hundred fifty-two thousand, three hundred fifty".