1196206920 has 128 divisors (see below), whose sum is σ = 4116096000. Its totient is φ = 308689920.

The previous prime is 1196206909. The next prime is 1196206969. The reversal of 1196206920 is 296026911.

1196206920 is a `hidden beast` number, since 1 + 1 + 9 + 620 + 6 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15616 + ... + 51344.

It is an arithmetic number, because the mean of its divisors is an integer number (32157000).

Almost surely, 2^1196206920 is an apocalyptic number.

1196206920 is a gapful number since it is divisible by the number (10) 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 1196206920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058048000).

1196206920 is an abundant number, since it is smaller than the sum of its proper divisors (2919889080).

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

1196206920 is a wasteful number, since it uses less digits than its factorization.

1196206920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35780 (or 35770 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1196206920 is about 34586.2244253402. The cubic root of 1196206920 is about 1061.5377349130.

Subtracting from 1196206920 its reverse (296026911), we obtain a square (900180009 = 30003²).

The spelling of 1196206920 in words is "one billion, one hundred ninety-six million, two hundred six thousand, nine hundred twenty".