20035051229 has 2 divisors, whose sum is σ = 20035051230. Its totient is φ = 20035051228.

The previous prime is 20035051193. The next prime is 20035051237. The reversal of 20035051229 is 92215053002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16615725604 + 3419325625 = 128902^2 + 58475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20035051229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20035051279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017525614 + 10017525615.

It is an arithmetic number, because the mean of its divisors is an integer number (10017525615).

Almost surely, 2^20035051229 is an apocalyptic number.

It is an amenable number.

20035051229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035051229 is an equidigital number, since it uses as much as digits as its factorization.

20035051229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 20035051229 in words is "twenty billion, thirty-five million, fifty-one thousand, two hundred twenty-nine".