20222093 has 4 divisors (see below), whose sum is σ = 20418528. Its totient is φ = 20025660.

The previous prime is 20222087. The next prime is 20222101. The reversal of 20222093 is 39022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39022202 = 2 ⋅19511101.

It is a cyclic number.

It is not a de Polignac number, because 20222093 - 2¹⁴ = 20205709 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 (20222003) 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, 98063 + ... + 98268.

It is an arithmetic number, because the mean of its divisors is an integer number (5104632).

Almost surely, 2^20222093 is an apocalyptic number.

It is an amenable number.

20222093 is a deficient number, since it is larger than the sum of its proper divisors (196435).

20222093 is a wasteful number, since it uses less digits than its factorization.

20222093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196434.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20222093 is about 4496.8981531718. The cubic root of 20222093 is about 272.4428205364.

Adding to 20222093 its reverse (39022202), we get a palindrome (59244295).

The spelling of 20222093 in words is "twenty million, two hundred twenty-two thousand, ninety-three".