194847036220 has 48 divisors (see below), whose sum is σ = 414749462400. Its totient is φ = 76879595520.

The previous prime is 194847036203. The next prime is 194847036229. The reversal of 194847036220 is 22630748491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194847036229) 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, 1631340 + ... + 1746700.

It is an arithmetic number, because the mean of its divisors is an integer number (8640613800).

Almost surely, 2^194847036220 is an apocalyptic number.

194847036220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194847036220 is an abundant number, since it is smaller than the sum of its proper divisors (219902426180).

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

194847036220 is a wasteful number, since it uses less digits than its factorization.

194847036220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116518 (or 116516 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 194847036220 in words is "one hundred ninety-four billion, eight hundred forty-seven million, thirty-six thousand, two hundred twenty".