20034055157 has 2 divisors, whose sum is σ = 20034055158. Its totient is φ = 20034055156.

The previous prime is 20034055141. The next prime is 20034055199. The reversal of 20034055157 is 75155043002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15906506641 + 4127548516 = 126121^2 + 64246^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034055157 - 2⁴ = 20034055141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20034055117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017027578 + 10017027579.

It is an arithmetic number, because the mean of its divisors is an integer number (10017027579).

Almost surely, 2^20034055157 is an apocalyptic number.

It is an amenable number.

20034055157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034055157 is an equidigital number, since it uses as much as digits as its factorization.

20034055157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

Adding to 20034055157 its reverse (75155043002), we get a palindrome (95189098159).

The spelling of 20034055157 in words is "twenty billion, thirty-four million, fifty-five thousand, one hundred fifty-seven".