1696201020 has 96 divisors (see below), whose sum is σ = 5297140800. Its totient is φ = 450600192.

The previous prime is 1696201009. The next prime is 1696201049. The reversal of 1696201020 is 201026961.

1696201020 is a `hidden beast` number, since 1 + 6 + 9 + 620 + 10 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139422 + ... + 151098.

It is an arithmetic number, because the mean of its divisors is an integer number (55178550).

Almost surely, 2^1696201020 is an apocalyptic number.

1696201020 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 1696201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648570400).

1696201020 is an abundant number, since it is smaller than the sum of its proper divisors (3600939780).

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

1696201020 is a wasteful number, since it uses less digits than its factorization.

1696201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1696201020 is about 41184.9610901844. The cubic root of 1696201020 is about 1192.5935055827.

Adding to 1696201020 its reverse (201026961), we get a palindrome (1897227981).

The spelling of 1696201020 in words is "one billion, six hundred ninety-six million, two hundred one thousand, twenty".