20221020220103 has 4 divisors (see below), whose sum is σ = 20222208241368. Its totient is φ = 20219832198840.

The previous prime is 20221020220081. The next prime is 20221020220151. The reversal of 20221020220103 is 30102202012202.

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 20221020220103 - 2²⁸ = 20220751784647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221020220003) 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, 593985101 + ... + 594019142.

It is an arithmetic number, because the mean of its divisors is an integer number (5055552060342).

Almost surely, 2^{20221020220103} is an apocalyptic number.

20221020220103 is a deficient number, since it is larger than the sum of its proper divisors (1188021265).

20221020220103 is a wasteful number, since it uses less digits than its factorization.

20221020220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188021264.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20221020220103 its reverse (30102202012202), we get a palindrome (50323222232305).

The spelling of 20221020220103 in words is "twenty trillion, two hundred twenty-one billion, twenty million, two hundred twenty thousand, one hundred three".