20606249229 has 8 divisors (see below), whose sum is σ = 27806023392. Its totient is φ = 13571987280.

The previous prime is 20606249203. The next prime is 20606249333. The reversal of 20606249229 is 92294260602.

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

It is not a de Polignac number, because 20606249229 - 2⁸ = 20606248973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20606249129) 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, 41377762 + ... + 41378259.

It is an arithmetic number, because the mean of its divisors is an integer number (3475752924).

Almost surely, 2^20606249229 is an apocalyptic number.

It is an amenable number.

20606249229 is a deficient number, since it is larger than the sum of its proper divisors (7199774163).

20606249229 is an equidigital number, since it uses as much as digits as its factorization.

20606249229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82756107.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 20606249229 in words is "twenty billion, six hundred six million, two hundred forty-nine thousand, two hundred twenty-nine".