20231332057 has 2 divisors, whose sum is σ = 20231332058. Its totient is φ = 20231332056.

The previous prime is 20231331977. The next prime is 20231332061. The reversal of 20231332057 is 75023313202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18751468096 + 1479863961 = 136936^2 + 38469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231332057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20231332357) 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, 10115666028 + 10115666029.

It is an arithmetic number, because the mean of its divisors is an integer number (10115666029).

Almost surely, 2^20231332057 is an apocalyptic number.

It is an amenable number.

20231332057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231332057 is an equidigital number, since it uses as much as digits as its factorization.

20231332057 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20231332057 its reverse (75023313202), we get a palindrome (95254645259).

The spelling of 20231332057 in words is "twenty billion, two hundred thirty-one million, three hundred thirty-two thousand, fifty-seven".