20432032100357 has 2 divisors, whose sum is σ = 20432032100358. Its totient is φ = 20432032100356.

The previous prime is 20432032100303. The next prime is 20432032100461. The reversal of 20432032100357 is 75300123023402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15604348654756 + 4827683445601 = 3950234^2 + 2197199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432032100357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20432032100257) by changing a digit.

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 as a sum of consecutive naturals, namely, 10216016050178 + 10216016050179.

It is an arithmetic number, because the mean of its divisors is an integer number (10216016050179).

Almost surely, 2^{20432032100357} is an apocalyptic number.

It is an amenable number.

20432032100357 is a deficient number, since it is larger than the sum of its proper divisors (1).

20432032100357 is an equidigital number, since it uses as much as digits as its factorization.

20432032100357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 20432032100357 its reverse (75300123023402), we get a palindrome (95732155123759).

The spelling of 20432032100357 in words is "twenty trillion, four hundred thirty-two billion, thirty-two million, one hundred thousand, three hundred fifty-seven".