194250020 has 12 divisors (see below), whose sum is σ = 407925084. Its totient is φ = 77700000.

The previous prime is 194249989. The next prime is 194250031. The reversal of 194250020 is 20052491.

It can be written as a sum of positive squares in 2 ways, for example, as 144913444 + 49336576 = 12038^2 + 7024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4856231 + ... + 4856270.

It is an arithmetic number, because the mean of its divisors is an integer number (33993757).

Almost surely, 2^194250020 is an apocalyptic number.

194250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194250020 is an abundant number, since it is smaller than the sum of its proper divisors (213675064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194250020 is a wasteful number, since it uses less digits than its factorization.

194250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712510 (or 9712508 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 194250020 is about 13937.3605822623. The cubic root of 194250020 is about 579.1446170260.

The spelling of 194250020 in words is "one hundred ninety-four million, two hundred fifty thousand, twenty".