20268229029 has 8 divisors (see below), whose sum is σ = 27394501632. Its totient is φ = 13327054560.

The previous prime is 20268229013. The next prime is 20268229057. The reversal of 20268229029 is 92092286202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20268229029 - 2⁴ = 20268229013 is a prime.

It is a super-2 number, since 2×20268229029² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20268229129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46274277 + ... + 46274714.

It is an arithmetic number, because the mean of its divisors is an integer number (3424312704).

Almost surely, 2^20268229029 is an apocalyptic number.

It is an amenable number.

20268229029 is a deficient number, since it is larger than the sum of its proper divisors (7126272603).

20268229029 is an equidigital number, since it uses as much as digits as its factorization.

20268229029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92549067.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 20268229029 in words is "twenty billion, two hundred sixty-eight million, two hundred twenty-nine thousand, twenty-nine".