196922820050 has 48 divisors (see below), whose sum is σ = 420604552800. Its totient is φ = 67839436800.

The previous prime is 196922819959. The next prime is 196922820053. The reversal of 196922820050 is 50028229691.

It is a junction number, because it is equal to n+sod(n) for n = 196922819983 and 196922820010.

It is not an unprimeable number, because it can be changed into a prime (196922820053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9411695 + ... + 9432594.

It is an arithmetic number, because the mean of its divisors is an integer number (8762594850).

Almost surely, 2^196922820050 is an apocalyptic number.

196922820050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196922820050 is an abundant number, since it is smaller than the sum of its proper divisors (223681732750).

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

196922820050 is a wasteful number, since it uses less digits than its factorization.

196922820050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18844331 (or 18844326 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 196922820050 in words is "one hundred ninety-six billion, nine hundred twenty-two million, eight hundred twenty thousand, fifty".