20223885029 has 4 divisors (see below), whose sum is σ = 20289761184. Its totient is φ = 20158008876.

The previous prime is 20223884987. The next prime is 20223885041. The reversal of 20223885029 is 92058832202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20223885029 - 2³² = 15928917733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223885329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32937617 + ... + 32938230.

It is an arithmetic number, because the mean of its divisors is an integer number (5072440296).

Almost surely, 2^20223885029 is an apocalyptic number.

It is an amenable number.

20223885029 is a deficient number, since it is larger than the sum of its proper divisors (65876155).

20223885029 is an equidigital number, since it uses as much as digits as its factorization.

20223885029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65876154.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 20223885029 in words is "twenty billion, two hundred twenty-three million, eight hundred eighty-five thousand, twenty-nine".