20332132057 has 2 divisors, whose sum is σ = 20332132058. Its totient is φ = 20332132056.

The previous prime is 20332132033. The next prime is 20332132069. The reversal of 20332132057 is 75023123302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18625698576 + 1706433481 = 136476^2 + 41309^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332132057 - 2³¹ = 18184648409 is a prime.

It is not a weakly prime, because it can be changed into another prime (20332132157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166066028 + 10166066029.

It is an arithmetic number, because the mean of its divisors is an integer number (10166066029).

Almost surely, 2^20332132057 is an apocalyptic number.

It is an amenable number.

20332132057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332132057 is an equidigital number, since it uses as much as digits as its factorization.

20332132057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 20332132057 its reverse (75023123302), we get a palindrome (95355255359).

The spelling of 20332132057 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-two thousand, fifty-seven".