20222004040402 has 12 divisors (see below), whose sum is σ = 31709172688830. Its totient is φ = 9671393236208.

The previous prime is 20222004040373. The next prime is 20222004040453. The reversal of 20222004040402 is 20404040022202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14104538871201 + 6117465169201 = 3755601^2 + 2473351^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9556711627 + ... + 9556713742.

Almost surely, 2^{20222004040402} is an apocalyptic number.

20222004040402 is a deficient number, since it is larger than the sum of its proper divisors (11487168648428).

20222004040402 is a wasteful number, since it uses less digits than its factorization.

20222004040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19113425417 (or 19113425394 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20222004040402 its reverse (20404040022202), we get a palindrome (40626044062604).

The spelling of 20222004040402 in words is "twenty trillion, two hundred twenty-two billion, four million, forty thousand, four hundred two".