196920231424 has 80 divisors (see below), whose sum is σ = 452947179168. Its totient is φ = 83778158592.

The previous prime is 196920231397. The next prime is 196920231451. The reversal of 196920231424 is 424132029691.

It is an interprime number because it is at equal distance from previous prime (196920231397) and next prime (196920231451).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290482 + ... + 691534.

Almost surely, 2^196920231424 is an apocalyptic number.

196920231424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196920231424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226473589584).

196920231424 is an abundant number, since it is smaller than the sum of its proper divisors (256026947744).

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

196920231424 is an equidigital number, since it uses as much as digits as its factorization.

196920231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401215 (or 401199 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 196920231424 in words is "one hundred ninety-six billion, nine hundred twenty million, two hundred thirty-one thousand, four hundred twenty-four".