20224022404 has 6 divisors (see below), whose sum is σ = 35392039214. Its totient is φ = 10112011200.

The previous prime is 20224022393. The next prime is 20224022431. The reversal of 20224022404 is 40422042202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19118592900 + 1105429504 = 138270^2 + 33248^2 .

It is a super-2 number, since 2×20224022404² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528002797 + ... + 2528002804.

Almost surely, 2^20224022404 is an apocalyptic number.

It is an amenable number.

20224022404 is a deficient number, since it is larger than the sum of its proper divisors (15168016810).

20224022404 is a wasteful number, since it uses less digits than its factorization.

20224022404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056005605 (or 5056005603 counting only the distinct ones).

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

Adding to 20224022404 its reverse (40422042202), we get a palindrome (60646064606).

The spelling of 20224022404 in words is "twenty billion, two hundred twenty-four million, twenty-two thousand, four hundred four".