20794087222 has 4 divisors (see below), whose sum is σ = 31191130836. Its totient is φ = 10397043610.

The previous prime is 20794087207. The next prime is 20794087229. The reversal of 20794087222 is 22278049702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22278049702 = 2 ⋅11139024851.

It is a super-2 number, since 2×20794087222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794087229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198521804 + ... + 5198521807.

It is an arithmetic number, because the mean of its divisors is an integer number (7797782709).

Almost surely, 2^20794087222 is an apocalyptic number.

20794087222 is a deficient number, since it is larger than the sum of its proper divisors (10397043614).

20794087222 is a wasteful number, since it uses less digits than its factorization.

20794087222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397043613.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 20794087222 in words is "twenty billion, seven hundred ninety-four million, eighty-seven thousand, two hundred twenty-two".