20162355603 has 16 divisors (see below), whose sum is σ = 29013094656. Its totient is φ = 12381023520.

The previous prime is 20162355593. The next prime is 20162355641. The reversal of 20162355603 is 30655326102.

It is not a de Polignac number, because 20162355603 - 2²⁰ = 20161307027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20162355643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535303 + ... + 571728.

It is an arithmetic number, because the mean of its divisors is an integer number (1813318416).

Almost surely, 2^20162355603 is an apocalyptic number.

20162355603 is a deficient number, since it is larger than the sum of its proper divisors (8850739053).

20162355603 is a wasteful number, since it uses less digits than its factorization.

20162355603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107514.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 20162355603 in words is "twenty billion, one hundred sixty-two million, three hundred fifty-five thousand, six hundred three".