20032132157 has 2 divisors, whose sum is σ = 20032132158. Its totient is φ = 20032132156.

The previous prime is 20032132097. The next prime is 20032132163. The reversal of 20032132157 is 75123123002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15300205636 + 4731926521 = 123694^2 + 68789^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032132157 - 2⁶ = 20032132093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032132357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016066078 + 10016066079.

It is an arithmetic number, because the mean of its divisors is an integer number (10016066079).

Almost surely, 2^20032132157 is an apocalyptic number.

It is an amenable number.

20032132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032132157 is an equidigital number, since it uses as much as digits as its factorization.

20032132157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 20032132157 its reverse (75123123002), we get a palindrome (95155255159).

The spelling of 20032132157 in words is "twenty billion, thirty-two million, one hundred thirty-two thousand, one hundred fifty-seven".