20022204317145 has 16 divisors (see below), whose sum is σ = 32421497113152. Its totient is φ = 10549852233920.

The previous prime is 20022204317113. The next prime is 20022204317183. The reversal of 20022204317145 is 54171340222002.

It is a happy number.

It is not a de Polignac number, because 20022204317145 - 2⁵ = 20022204317113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8041044666 + ... + 8041047155.

It is an arithmetic number, because the mean of its divisors is an integer number (2026343569572).

Almost surely, 2^{20022204317145} is an apocalyptic number.

It is an amenable number.

20022204317145 is a deficient number, since it is larger than the sum of its proper divisors (12399292796007).

20022204317145 is a wasteful number, since it uses less digits than its factorization.

20022204317145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082091912.

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 20022204317145 its reverse (54171340222002), we get a palindrome (74193544539147).

The spelling of 20022204317145 in words is "twenty trillion, twenty-two billion, two hundred four million, three hundred seventeen thousand, one hundred forty-five".