20530214404 has 12 divisors (see below), whose sum is σ = 41060428864. Its totient is φ = 8798663304.

The previous prime is 20530214329. The next prime is 20530214413. The reversal of 20530214404 is 40441203502.

It is a happy number.

20530214404 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366610944 + ... + 366610999.

Almost surely, 2^20530214404 is an apocalyptic number.

It is an amenable number.

20530214404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20530214404 is a wasteful number, since it uses less digits than its factorization.

20530214404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733221954 (or 733221952 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20530214404 its reverse (40441203502), we get a palindrome (60971417906).

The spelling of 20530214404 in words is "twenty billion, five hundred thirty million, two hundred fourteen thousand, four hundred four".