20204222394 has 16 divisors (see below), whose sum is σ = 42535205280. Its totient is φ = 6380280720.

The previous prime is 20204222383. The next prime is 20204222411. The reversal of 20204222394 is 49322240202.

It is a super-3 number, since 3×20204222394³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88614897 + ... + 88615124.

It is an arithmetic number, because the mean of its divisors is an integer number (2658450330).

Almost surely, 2^20204222394 is an apocalyptic number.

20204222394 is an abundant number, since it is smaller than the sum of its proper divisors (22330982886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204222394 is a wasteful number, since it uses less digits than its factorization.

20204222394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177230045.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20204222394 its reverse (49322240202), we get a palindrome (69526462596).

The spelling of 20204222394 in words is "twenty billion, two hundred four million, two hundred twenty-two thousand, three hundred ninety-four".