20235025229 has 2 divisors, whose sum is σ = 20235025230. Its totient is φ = 20235025228.

The previous prime is 20235025199. The next prime is 20235025247. The reversal of 20235025229 is 92252053202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20154061225 + 80964004 = 141965^2 + 8998^2 .

It is a cyclic number.

It is not a de Polignac number, because 20235025229 - 2²⁴ = 20218248013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20235025195 and 20235025204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20235085229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117512614 + 10117512615.

It is an arithmetic number, because the mean of its divisors is an integer number (10117512615).

Almost surely, 2^20235025229 is an apocalyptic number.

It is an amenable number.

20235025229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20235025229 is an equidigital number, since it uses as much as digits as its factorization.

20235025229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 20235025229 in words is "twenty billion, two hundred thirty-five million, twenty-five thousand, two hundred twenty-nine".