193771000420 has 24 divisors (see below), whose sum is σ = 412650358848. Its totient is φ = 76416732000.

The previous prime is 193771000417. The next prime is 193771000429. The reversal of 193771000420 is 24000177391.

193771000420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (193771000429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68227806 + ... + 68230645.

It is an arithmetic number, because the mean of its divisors is an integer number (17193764952).

Almost surely, 2^193771000420 is an apocalyptic number.

193771000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193771000420 is an abundant number, since it is smaller than the sum of its proper divisors (218879358428).

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

193771000420 is a wasteful number, since it uses less digits than its factorization.

193771000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136458531 (or 136458529 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 193771000420 in words is "one hundred ninety-three billion, seven hundred seventy-one million, four hundred twenty", and thus it is an aban number.