20429360603 has 4 divisors (see below), whose sum is σ = 20429724840. Its totient is φ = 20428996368.

The previous prime is 20429360599. The next prime is 20429360617. The reversal of 20429360603 is 30606392402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20429360603 - 2² = 20429360599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20429360803) 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, 78233 + ... + 216746.

It is an arithmetic number, because the mean of its divisors is an integer number (5107431210).

Almost surely, 2^20429360603 is an apocalyptic number.

20429360603 is a deficient number, since it is larger than the sum of its proper divisors (364237).

20429360603 is an equidigital number, since it uses as much as digits as its factorization.

20429360603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364236.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 20429360603 in words is "twenty billion, four hundred twenty-nine million, three hundred sixty thousand, six hundred three".