20740032196 has 81 divisors (see below), whose sum is σ = 40917936423. Its totient is φ = 9193853760.

The previous prime is 20740032193. The next prime is 20740032199. The reversal of 20740032196 is 69123004702.

The square root of 20740032196 is 144014.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (20740032193) and next prime (20740032199).

It can be written as a sum of positive squares in 4 ways, for example, as 2659464900 + 18080567296 = 51570^2 + 134464^2 .

It is a super-2 number, since 2×20740032196² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20740032193) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 108586461 + ... + 108586651.

Almost surely, 2^20740032196 is an apocalyptic number.

20740032196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20740032196 is the 144014-th square number.

It is an amenable number.

20740032196 is a deficient number, since it is larger than the sum of its proper divisors (20177904227).

20740032196 is a wasteful number, since it uses less digits than its factorization.

20740032196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 20740032196 its reverse (69123004702), we get a palindrome (89863036898).

The spelling of 20740032196 in words is "twenty billion, seven hundred forty million, thirty-two thousand, one hundred ninety-six".