20469255603 has 32 divisors (see below), whose sum is σ = 29055723840. Its totient is φ = 12773437440.

The previous prime is 20469255593. The next prime is 20469255623. The reversal of 20469255603 is 30655296402.

It is a happy number.

It is not a de Polignac number, because 20469255603 - 2¹⁰ = 20469254579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20469255623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11756313 + ... + 11758053.

It is an arithmetic number, because the mean of its divisors is an integer number (907991370).

Almost surely, 2^20469255603 is an apocalyptic number.

20469255603 is a deficient number, since it is larger than the sum of its proper divisors (8586468237).

20469255603 is a wasteful number, since it uses less digits than its factorization.

20469255603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 20469255603 in words is "twenty billion, four hundred sixty-nine million, two hundred fifty-five thousand, six hundred three".