20103022005345 has 96 divisors (see below), whose sum is σ = 38333493918720. Its totient is φ = 9700577884800.

The previous prime is 20103022005293. The next prime is 20103022005361. The reversal of 20103022005345 is 54350022030102.

It is a happy number.

20103022005345 is a `hidden beast` number, since 2 + 0 + 10 + 302 + 2 + 0 + 0 + 5 + 345 = 666.

It is not a de Polignac number, because 20103022005345 - 2¹⁹ = 20103021481057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11849670 + ... + 13439520.

It is an arithmetic number, because the mean of its divisors is an integer number (399307228320).

Almost surely, 2^{20103022005345} is an apocalyptic number.

It is an amenable number.

20103022005345 is a deficient number, since it is larger than the sum of its proper divisors (18230471913375).

20103022005345 is a wasteful number, since it uses less digits than its factorization.

20103022005345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590547 (or 1590544 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20103022005345 its reverse (54350022030102), we get a palindrome (74453044035447).

The spelling of 20103022005345 in words is "twenty trillion, one hundred three billion, twenty-two million, five thousand, three hundred forty-five".