196603500820 has 48 divisors (see below), whose sum is σ = 415427866560. Its totient is φ = 78154223616.

The previous prime is 196603500799. The next prime is 196603500851. The reversal of 196603500820 is 28005306691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6152404 + ... + 6184276.

It is an arithmetic number, because the mean of its divisors is an integer number (8654747220).

Almost surely, 2^196603500820 is an apocalyptic number.

196603500820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196603500820 is an abundant number, since it is smaller than the sum of its proper divisors (218824365740).

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

196603500820 is a wasteful number, since it uses less digits than its factorization.

196603500820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33784 (or 33782 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 196603500820 in words is "one hundred ninety-six billion, six hundred three million, five hundred thousand, eight hundred twenty".